Unit 2: Linear Equations Test Corrections

Front

What is the justification for step 2 in the solution process of the equation 10x − 25 − 3x = 4x − 1?

Back

the addition property of equality

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Back

\(x = -3\)

Front

Currently, Nora is 3 times as old as Damon. In 8 years, she will only be 2 times as old as Damon. How old will Damon be in 8 years?

Back

16 years old

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Back

n = -16

Front

A line passes through the point (10,1) with a slope of -0.5. What is the y-intercept? Options: 6, 4, -6, 0.

Back

6

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Back

Front

Convert 99 miles/hour to kilometers/hour and kilometers/minute. 1 mile = 1.61 kilometers, 1 hour = 60 minutes. Round to the nearest tenth.

Back

159.4 kilometers/hour or 2.7 kilometers/minute

Front

An animal shelter takes in an average of 5 animals per day. The shelter must keep its total occupancy below 300. Currently, the shelter has 165 animals. If none of the animals get adopted, which inequality represents how many more days, x, the shelter can continue to take in animals without exceeding its occupancy limit?

Back

x < 27

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Back