Semester Exam Review

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Mathematical Equivalence

ON

Tags

CCSS.8.G.A.5

A printing store used 24 ounces of ink in 18 minutes. Which graph has a slope that best represents the average number of ounces of ink per minute?

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Tags

CCSS.8.EE.B.5

Joseph ran a 6-mile race in 48 minutes. Which graph has a slope that best represents Joseph's average rate of speed during the race?

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Tags

CCSS.8.EE.B.5

The width of a rectangular lawn is 16 feet. The diagonal of the lawn is 65 feet. What is the length of the rectangular lawn, in feet?

• 49

• 81

• 67

• 63

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CCSS.8.G.B.8

In each diagram, line g is parallel to line k, and line t intersects lines g and k. (Click on the picture)

Based on the diagrams, which statement about x is true?

• The value of x should be 75, because the angles shown in the diagrams are congruent.

Answer explanation

Look at the diagrams and what do you notice? Then compare it to the diagram. Notice that the angles are congruent (equal).

Tags

CCSS.7.G.B.5

• 8.06

• 3

• 7

• 4.2

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CCSS.HSG.GPE.B.7

Choose the correct answer from each drop down menu to complete the statement.

The mapping​ (a)   y as a function of x, because each x-value corresponds to ​ (b)   y-value.

• represents
• exactly one
• does not represent
• more than one

Answer explanation

Create a table. Then look at the x values.

For the Mapping to be a FUNCTION, X can NOT repeat.

Tags

CCSS.8.F.A.1

Triangle PQR and triangle RST are similar right triangles.

Based on tis information, make the following statement true.

The slope of the hypotenuse of triangle PQR is​ (a)   the slope of the hypotenuse of triangle RST.

• equal to
• less than
• greater than

Tags

CCSS.8.EE.B.6