Unit Test Answers

3 verified answers
1
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When you substitute a value for x or y, you are x or y with a value.

A
solving
B
permanently eliminating
C
temporarily replacing
2
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Given the equation y = x – 2, you substitute 5 for x. Check all true statements below.

A
x is temporarily replaced with 5.
B
The equation becomes y = 5 – 2.
C
y is 3.
D
The equation y = x – 2 is no longer true.
E
The equation y = x – 2 is still true, just with specific values.
3

Given the equation y = x – 2, you substitute 3 for y. Check all true statements below.

A
You replaced y with 3 temporarily.
B
This is wrong because you can only substitute for x.
C
The equation becomes 3 = x – 2
D
The value of x is 5.
E
The equation y = x – 2 is still true, just with specific values.

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