Unit Test — Unit test Answers
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The equation 9(u – 2) + 1.5u = 8.25 models the total miles Michael traveled one afternoon while sledding, where u equals the number of hours walking up a hill and (u – 2) equals the number of hours sledding down the hill. Which is the value of u?
A
u = 0.25B
u = 0.75C
u = 1.1D
u = 2.522
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The circumference of a circle can be found using the formula C = 2r.
A
r = CB
r = C(2)C
r =
D
r =
23
Which are equivalent equations? Select two correct answers.
A
s =
B
s =
C
s = LArD
r =
E
r = LAs24
Which number line represents the solution set for the inequality –x ≥ 4?
A
A number line from negative 10 to 10 in increments of 2. A point is at negative 2 and a bold line starts at negative 2 and is pointing to the left.
B
A number line from negative 10 to 10 in increments of 2. A point is at negative 8 and a bold line starts at negative 8 and is pointing to the left.
C
A number line from negative 10 to 10 in increments of 2. A point is at negative 2 and a bold line starts at negative 2 and is pointing to the right.
D
A number line from negative 10 to 10 in increments of 2. A point is at negative 8 and a bold line starts at negative 8 and is pointing to the right.
25
Which step could be used to help isolate the variable in the following equation?5.6j – 0.12 = 4 + 1.1j
A
Subtract 0.12 from both sides.B
Subtract 5.6 from both sides.C
Subtract 4j from both sides.D
Subtract 1.1j from both sides.Did you find these answers helpful?
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