Unit Test — Unit test

Question 1

The graph shows a company’s profit. The shaded region represents values when the profits were greater than projected.

Revolt · Accepted Answer

y greater-than-or-equal-to negative (x minus 50) squared + 625

Question 2

Which equation has a graph that is a parabola with a vertex at (5, 3)?

Revolt · Accepted Answer

y = (x – 5)2 + 3

Question 3

The graph represents the potential area of a concrete rectangle, based on length and width.

Revolt · Accepted Answer

y less-than negative one-half (x minus 16) squared + 32

Question 4

Which equation is y = (x + 3)2 + (x + 4)2 rewritten in vertex form?

Revolt · Accepted Answer

y = 2 (x + seven-halves) squared minus one-half

Question 5

Which pair of equations generates graphs with the same vertex?

Revolt · Accepted Answer

y = –4x2 and y = 4x2

Unit Test — Unit test Answers