8th Grade - Check-In B Review

• -a7

• -1/7

• 1/7

• 7

• no solution

• one solution

• two solutions

• infinitely many solutions

• No solution

• 1 solution

• 2 solutions

• infinitely many solutions

• A

• B

• C

• D

Which graph shows the line y = 3x + 1 ?

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The graph below shows the relationship between the number of dresses bought at a sale and the total cost of those dresses.

What does the slope of the graph represent?

• the cost of the first dress

• the total cost of all dresses

• the cost of each additional dress after the first

• the cost of the first dress and one additional dress

James and his brother Malcolm raced home on their bicycles. James gave Malcolm a head start of 20 feet. James rode at a rate of 20 feet per second while Malcolm rode at at rate of 15 feet per second. Which graph BEST represents this situation?

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What is true about this graph?

• x-values remain constant

• y-values remain constant

• y decreases as x increases

• y increases as x decreases

The graph shows Lee's running speed during an hour-long workout. What total amount of time did Lee spend running at a constant speed?

• 10 minutes

• 20 minutes

• 40 minutes

• 50 minutes

In the figure, m<PRQ = 56˚. What is m<TRS?

• 34˚

• 56˚

• 124˚

• 146˚