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16 Cards in this Set
- Front
- Back
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WHAT IS A QUADRANT?
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THE 4 SECTIONS OR "NEIGHBORHOODS" OF THE COORDINATE PLANE
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IN GRAPHING IN THE COORDINATE PLANE, WHICH NUMBER IS FOR THE X AND WHICH IS FOR THE Y, AS IN
(3,2) |
THE 3 IS ON THE X AXIS; THE 2 IS THE Y.
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WHICH NUMBER (x OR y) IS FOR THE VERTICAL AXIS?
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Y
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THE POINT (3,2) IS IN WHICH QUADRANT?
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I
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THE POINT (3, -2) IS IN WHICH QUADRANT?
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IV
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THE POINT (-5, -8) IS IN WHICH QUADRANT?
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III
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THE POINT (-4, 3) IS IN WHICH QUADRANT?
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II
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IN COUNTING THE QUADRANTS DO YOU COUNT CLOCKWISE OR COUNTERCLOCKWISE?
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COUNTERCLOCKWISE
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WHAT IS A QUADRATIC FUNCTION?
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A FUNCTION IN THIS FORM
y = x^2 - 6x + 8 |
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WHAT IS THE VERTICAL LINE TEST?
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TO SEE IF A RELATION IS A FUNCTION, A VERTICAL LINE WILL NOT CROSS THE GRAPH MORE THAN ONCE.
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EXPLAIN THE CONSTANT OF VARIATION.
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THE CONSTANT ( k ) IN DIRECT OR INDIRECT VARIATIONS.
y = 5x THE "5" IS THE CONSTANT. |
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WHAT DOES DIRECT VARIATION MEAN?
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BOTH VARIABLES INCREASE AT A CONSTANT RATE.
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WHAT IS A LINEAR FUNCTION?
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A FUNCTION WHOSE GRAPH IS A STRAIGHT LINE
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DEFINE: FUNCTION
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A NUMERICAL RELATIONSHIP THAT HAS ONE OUTPUT FOR EACH INPUT.
EXAMPLE: y=3x - 1 |
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WHAT IS AN INPUT-OUTPUT TABLE
OR TRUTH TABLE OR T TABLE |
A LIST WITH x VALUES ON THE LEFT (AS INPUTS) AND
y VALUES ON THE RIGHT (AS OUTPUTS) |
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EXPLAIN THE VERTICAL LINE TEST
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TO TEST FOR A FUNCTION, ANY VERTICAL LINE WILL CROSS THE GRAPH AT ONLY ONE POINT.
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