AnswersLAUSD-Algebra II A Prescriptive - SummerUnit Test

Unit Test — Unit test Answers

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Which equation can be solved by using this system of equations?

Question illustration
A
3 x cubed minus 7 x squared + 5 = 0
Option A
B
3 x cubed minus 7 x squared + 5 = 7 x Superscript 4 Baseline + 2 x
Option B
C
7 x Superscript 4 Baseline + 2 x = 0
Option C
D
7 x Superscript 4 Baseline + 3 x cubed minus 7 x squared + 2 x + 5 = 0
Option D
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The graph of this system of equations is used to solve . What represents the solution set?

Question illustration
A
y-intercepts of the graph
B
x-intercepts of the graph
C
y-coordinates of the intersection points
D
x-coordinates of the intersection points
23

What are the solutions to the equation ?

Question illustration
A
w = –6 and w = –2
B
w = 0, w = 2, and w = 6
C
w = 0 and w =
Option C
D
w = 2 and w = 6
24

The aspect ratio is used when calculating the aerodynamic efficiency of the wing of a plane. For a standard wing area, the function can be used to find the aspect ratio depending on the wingspan in feet. If one glider has an aspect ratio of 5.7, which system of equations and solution can be used to represent the wingspan of the glider? Round solution to the nearest tenth if necessary.

Question illustration
A
and ; feet
Option A
B
and ; feet
Option B
C
and ; feet
Option C
D
and ; feet
Option D
25

How many extraneous solutions does the equation below have?

Question illustration
A
0
B
1
C
2
D
3

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