PREC11 Unit1 notes

# A 2 y y 2x b y x2 4 0 2 y y 2x d y y x2 y

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Unformatted text preview: at is the result of a) horizontally expanding the basic quadratic function's graph by a factor of 2 b) reflecting the basic quadratic function's graph about the y-axis ANSWERS 1. a) no transformation b) vertically expanded away from the x-axis by a factor of a c) vertically compressed towards the x-axis by a factor of a d) reflected about the x-axis e) reflected about the x-axis and vertically expanded away from the x-axis by a factor of |a| f) reflected about the x-axis and vertically towards the x-axis compressed by a factor of |a| g) vertically compressed until the graph becomes a horizontal line 2 y y = 3x 2. a) 2 y y = 2x b) y = x2 4 0 2 y y = 2x d) y y = x2 y = x2 4 2 −2 c) y = x2 2 4 2 y = ⅓ x2 4 2 2 y = ½x2 −2 x 0 −2 −4 −2 x 0 −2 −4 2 2 −2 y = −2x2 x y = −⅓ x −2 0 −2 2 −4 −4 y = −3x2 3. a) y = −x2 b) y = ¼x2 c) y = 4 x2 d) y = −4x2 4. a) y = 2x2 b) y = −x2 c) y = − ¼ x2 d) y = 6x2 5. a) y = − 5 2 x2 b) y = 6. a) y = ¼x2 b) y = x2 5 9 x2 c) y = 4 27 x 2 d) y = −3x2 2 x U...
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## This document was uploaded on 02/16/2014 for the course MATH Pre-Calcul at Holy Cross Regional High School.

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