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19 Cards in this Set
- Front
- Back
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Slope-Intercept form
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y = mx + b
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Point Slope Form
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y-y1 = m (x-x1)
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Standard Form
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ax + by = c
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M
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Slope
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B
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Y-intercept
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Slope Formula
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y2 - y1
x2 - x1 |
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Slope of a horizontal line
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0
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Slope of a vertical line
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Undefined
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Indepenent Variable
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The one the dependent variable depends on (phone bill depends on HOW MUCH YOU TALK)
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Dependent Variable
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The one that depends on the other one (PHONE BILL depends on how much you talk)
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What do you do when given two points?
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Find the slope and plug values into point slope formula
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How do you convert an equation from point-slope form to slope-intercept form?
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Use the distributive property then get y by itself
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How do you set up percent equations?
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Part %
Whole 100 |
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What should you do if given funky decimals?
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Try to round to the nearest whole number!
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How do you find the X-intercept?
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Substitute zero for y, solve for x
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How do you find the X-intercept?
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Substitute zero for x, solve for y
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How can you tell if something is a function?
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Each X has only ONE Y value
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The slope of parallel lines are...
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The Same
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The Slopes of perpendicular lines are
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negative reciprocals
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