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yormmanz

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o A. y=x 2 −9

o B. y=x 2 −6x+9

o C. y=x 2 −5x+6

o D. y=x 2 +x−6

A

2. What are the x-intercepts of y=(x−2)(x+5) ?

o A. (0, 2) and (0, -5)

o B. (0, -2) and (0, 5)

o C. (-2, 0) and (5, 0)

o D. (2, 0) and (-5, 0)

D

5. Which of these quadratic functions has exactly one x -intercept?

o A. y=x 2 −9

o B. y=x 2 −6x+9

o C. y=x 2 −5x+6

o D. y=x 2 +x−6

A

2. Which of the following parabolas opens upward and appears narrower than y=−3x 2 +2x−1 ?

o A. y=4x 2 −2x−1

o B. y=−4x 2 +2x−1

o C. y=x 2 +4x

o D. y=−2x 2 +x+3

Cmy answers correct or not

thanks

Guest