Question

4.Match the equation on the left to its equivalent on the right. (4 points)
Put responses in the correct response input area to answer the question. Select a response, navigate to the desired input area and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
y = x^2 − 10x + 16
Press enter key to drop response here.
y=(x+3)^2 −8
Press enter key to drop response here.
y = x^2+2x−8
Press enter key to drop response here.
y=(x+9)(x+1)
responces that go in the blanks:
y=x^2 +6x+1
y=x^2 +10x+9
y=(x+1)^2 -9
y=(x-2)(x-8)
3. Solve for x. Select all solutions.

x^2−64 = 0

(2 points)
Responses

-8
-8

8
8

0
0

64
2.Question
The function P(l) = −4l^2 +32l − 52
gives the profit, in thousands, of producing l
units of lip gloss. What is the maximum profit that can be made? (1 point)
Responses

$208,000
$208,000

$32,000
$32,000

$12,000
$12,000

$4,000
1.What are the zeros of the graph of y=2x^2+5x−12
?(1 point)
Responses

−3 over5 and 4

−6 and 2

3 over 2 and−4

3 and −4

Answer 1

Matches:
- y = x^2 − 10x + 16 → y = (x-2)(x-8)
- y = (x+3)^2 − 8 → y = x^2 + 6x + 1
- y = x^2 + 2x − 8 → y = (x+1)^2 − 9
- y = (x+9)(x+1) → y = x^2 + 10x + 9

Solve x^2 − 64 = 0:
- x = −8 and x = 8

Maximum profit for P(l) = −4l^2 + 32l − 52:
- $12,000

Zeros of y = 2x^2 + 5x − 12:
- x = 3/2 and x = −4