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70 Cards in this Set
- Front
- Back
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arithmetic sequence
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A numerical pattern that increases or decreases at a constant rate or value. The difference between successive terms of the sequence in constant.
(page 223) |
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axes
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The two perpendicular number lines in a coordinate system.
(page 192) |
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common difference
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The difference between the terms in a sequence.
(page 223) |
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coordinate plane
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The plane containing the x- and y-axes.
(pages 43, 192) |
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dilation
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A transformation in which a figure is enlarged or reduced.
(page 197) |
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equation in two variables
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An equation that contains two unknown variables.
(page 212) |
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function
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A relation in which each each element of the domain is paired with exactly one element of the range.
(pages 43, 226) |
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function notation
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A way to name a function that is defined by an equation. In function notation, the equation y= 3x - 8 is written as f(x) = 3x - 8.
(page 227) |
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graph
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To draw, or plot, the points named by certain numbers or ordered pairs on a number line or coordinate plane.
(pages 69, 193) |
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image
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The position of a figure after a transformation.
(page 197) |
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inductive reasoning
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A conclusion based on a pattern of examples.
(page 240) |
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inverse
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The inverse of any relation is obtained by switching the coordinates in each ordered pair.
(page 206) |
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linear equation
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An equation in the form Ax + By = C, whose graph is a straight line.
(page 218) |
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mapping
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Illustrates how each each element of the domain is paired with an element in the range.
(page 205) |
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origin
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The point where the two axes intersect at their zero points.
(pages 43, 192) |
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preimage
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The position of a figure before a transformation.
(page 197) |
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quadrants
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The four regions into which the x- and y-axes separate the coordinate plane.
(page 193) |
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reflection
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A type of transformation in which the figure is flipped over a line.
(page 197) |
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rotation
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A type of transformation in which a figure is turned around a point.
(page 197) |
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look for a pattern
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A very useful problem-solving strategy.
(page 240) |
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sequence
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A set of numbers in a specific order.
(page 233) |
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solution
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A replacement value for the variable in an open sentence.
(page 16, 212) |
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standard form
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The standard form of a linear equation is Ax + By = C, where A > or equal to 0, and A and B are not both zero.
(page 218) |
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terms
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The numbers in a sequence.
(page 233) |
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transformation
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Movements of geometric figures.
(page 197) |
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translation
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A transformation in which a figure is slid in any direction.
(page 197) |
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vertical line test
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If any vertical line passes through no more than one point of the graph of a relation, then the relation is a function.
(page 227) |
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x-axis
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The horizontal number of a coordinate plane.
(pages 43, 192) |
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x-coordinate
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The first number in an ordered pair.
(page 220) |
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x-intercept
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The coordinate at which a graph intersects the x-axis.
(page 220) |
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y-axis
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The vertical number line on a coordinate plane.
(page 43, 192) |
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y-coordinate
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The second number in an ordered pair.
(pages 43, 192) |
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y-intercept
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The coordinate at which a graph intersects the y-axis.
(page 220) |
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best-fit line
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The line that most closely approximates the data in a scatter plot.
(page 300) |
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constant of variation
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The number k in the equations of the form y = kx.
(page 264) |
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direct variation
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An equation of the form y = kx, where k doesn't equal 0.
(page 264) |
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family of graphs
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Graphs and equations that have at least of characteristic in common.
(pages 265, 531) |
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linear extrapolation
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The use of a linear equation to predict values that are outside the range of data.
(page 283) |
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linear interpolation
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The use of a linear equation to predict values that are inside of the data range.
(page 301) |
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line of fit
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A line that describes the trend of the data in a scatter plot.
(page 304) |
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negative correlation
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In a scatter plot, as x increases, y decreases.
(page 298) |
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parallel lines
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Lines in the same plane that never intersect and have the same slope.
(page 292) |
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parent graph
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The simplest of the graphs in a family of graphs.
(page 265) |
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perpendicular lines
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Lines that meet to form right angles.
(page 293) |
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point-slope form
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An equation of the form y - y1 = m(x - x1), where m is the slope and (x1, y1) is a given point on a non vertical line.
(page 286) |
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positive correlation
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In a scatter plot, as x increases, y decreases.
(page 298) |
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rate of change
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How a quantity is changing over time.
(page 258) |
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scatter plot
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Two sets of data plotted as ordered pairs in a coordinate plane.
(page 298) |
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slope
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The ratio of the change in to y-coordinates (rise) to the corresponding change in the x-coordinates (run) as you move from one point to another along a line.
(page 256) |
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line of fit
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A line that describes the trend of the data in a scatter plot.
(page 304) |
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negative correlation
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In a scatter plot, as x increases, y decreases.
(page 298) |
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parallel lines
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Lines in the same plane that never intersect and have the same slope.
(page 292) |
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parent graph
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The simplest of the graphs in a family of graphs.
(page 265) |
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perpendicular lines
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Lines that meet to form right angles.
(page 293) |
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point-slope form
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An equation of the form y - y1 = m(x - x1), where m is the slope and (x1, y1) is a given point on a non vertical line.
(page 286) |
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positive correlation
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In a scatter plot, as x increases, y decreases.
(page 298) |
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rate of change
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How a quantity is changing over time.
(page 258) |
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scatter plot
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Two sets of data plotted as ordered pairs in a coordinate plane.
(page 298) |
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slope
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The ratio of the change in to y-coordinates (rise) to the corresponding change in the x-coordinates (run) as you move from one point to another along a line.
(page 256) |
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slope-intercept form
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An equation of the for y = mx + b, where m is the slope and b is the y-intercept.
(page 272) |
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Addition Property of Inequalities
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If any number is added to each side of a true inequality, the resulting inequality is also true.
(page 318) |
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boundary
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A line or curve that separates the coordinate plane into regions.
(page 353) |
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compound inequality
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Two or more inequalities that are connected by the words and or or.
(page 339) |
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Division Property of Inequalities
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If each side of a true inequality is divided by the same positive/negative number, the resulting inequality is also true.
(page 327) |
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half-plane
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The region of the graph of an inequality on one side of a boundary.
(page 353) |
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intersection
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The graph of a compound inequality containing and; the solution is the set of elements common to both inequalities.
(page 339) |
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Multiplication Property of Inequalities
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If each side of a true inequality is multiplied by the same positive/negative number, the resulting inequality is also true.
(page 325) |
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set-builder notation
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A concise way of writing a solution set. For example, {t | t < 17} represents the set of all numbers t such that t is less than 17.
(page 319) |
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Subtraction Property of Inequalities
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If any number is subtracted from each side of a true inequality, the resulting inequality is also true.
(page 319) |
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union
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The graph of a compound inequality containing or; the solution is a solution of either inequality, not necessarily both.
(page 340) |
