Completing the Square (Continued)

Question 1

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

Revolt · Accepted Answer

Factor out 3 from the first two terms.

Question 2

p(x) = (x + )2 –

Revolt · Accepted Answer

2

Question 3

p(x) = (x + )2 –

Revolt · Accepted Answer

3

Question 4

Which graph has a vertex that is a maximum?

Revolt · Accepted Answer

Neither Jennifer’s nor Matt’s

Question 5

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

Revolt · Accepted Answer

4; -484

Question 6

Question 82578

Revolt · Accepted Answer

-484

Question 7

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

Revolt · Accepted Answer

✔ (–3, –45), minimum

Question 8

x = –45✔ x = –3x = 3X x = 45

Revolt · Accepted Answer

✔ x = –3

Completing the Square (Continued) Answers