Completing the Square (Continued) Answers

Write g(x) = 4x2 + 88x in vertex form.

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✔ 372124

X Jennifer’sMatt’s✔ Neither Jennifer’s nor Matt’s

What is the first step in writing f(x) = 3x2 + 6x – 8 in vertex form?

✔ (–3, –45), minimum(–3, 45), maximum(3, –45), minimum(3, 45), maximum

Write p(x) = 21 + 24x + 6x2 in vertex form.

What is true about the transformation that was performed? Check all that apply.

What is h(x) = –3x2 – 6x + 5 written in vertex form?

Which functions have a maximum and are transformed to the left and down of the parent function, f(x) = x2? Check all that apply. p(x) = 14(x + 7)2 + 1q(x) = –5(x + 10)2 – 1s(x) = –(x – 1)2 + 0.5g(x) = 2x2 + 10x – 35t(x) = –2x2 – 4x – 3

When Nick checked his work it did not match the standard form function. Analyze Nick’s work. What was his mistake?

✔ 2 units down2 units up8 units up

x = –45✔ x = –3x = 3x = 45

✔ 241224

✔ 0 units left or right1 unit leftX 1 unit right

X narrower than wider than ✔ the same shape as

Compare the graphs that Jennifer and Matt drew by completing the statements.