The perimeter of the square and the equilateral triangle are equal. Which of the following is NOT a true statement about the figures?

Each side length of the square measures 6 units.

The perimeter of each figure is 36 units.

Each side length of the triangle measures 12 units.

Mike is driving a boat at 12 mph and is increasing his speed by 0.2 mph each second. Hank is driving a boat at 26.4 mph and is decreasing his speed by 0.7 mph each second. After how many seconds will the boats be traveling the same speed?

The boats will never be traveling at the same speed.

Four students were given the expressions to simplify as shown. Which statement is NOT true?

Igor's expression simplifies to 2 + 15x.

Josie's expression simplifies to -8x + 16.

Rachel's expression simplifies to -4x + 3.

Milo's expression simplifies to 6x + 42.

An aquarium is being filled with water. The graph shows the height of the water over time as the aquarium is being filled. Which statement best describes the rate of change for this situation?

The height of the water increases 2.5 inches per second.

The height of the water increases 20 inches per second.

The height of the water increases 1 inch per second.

The height of the water increases 5 inches per second.

The line graphed on the coordinate grid can be used to determine the number of inches of water added to a swimming pool after different numbers of hours. Which statement best describes the slope of the graphed line?

The water is being added at a rate of 2.40 inch per hour.

The water is being added at a rate of 0.42 inch per hour.

The water is being added at a rate of 0.80 inch per hour.

The water is being added at a rate of 1.25 inch per hour.

A gym charges a membership fee plus an additional fee per yoga class. The table shows the linear relationship between the number of yoga classes taken and the total cost including the membership fee. Which statement is true?

The additional fee per yoga class is $3.75.

The additional fee per yoga class is $8.25.

The table shows the number of gallons of gasoline in a car's gas tank after the car has been driven x miles. When these data are graphed on a coordinate grid, the points all lie on the same line. What are the slope and y-intercept of this line?

Slope = $$-\frac{1}{25}$$ , y-intercept = $$15$$

Slope = $$\frac{1}{25}$$ , y-intercept = $$375$$

Slope = $$25$$ , y-intercept = $$375$$

Slope = $$-25$$ , y-intercept = $$15$$

What are the slope and the y-intercept of the graph of the linear function shown on the grid?

Slope = $$-\frac{1}{4}$$ , y-intercept = $$-1.5$$

Slope = $$4$$ , y-intercept = $$-6$$

Slope = $$-4$$ , y-intercept = $$-1.5$$

Slope = $$\frac{1}{4}$$ , y-intercept = $$-6$$

Expressions and Equations

Authored by Caitlin Estes

Mathematics

8th Grade

TEKS 8 covered

Used 8+ times

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MATH RESPONSE QUESTION

1 min • 1 pt

Write a simplified expression for the model shown.

Mathematical Equivalence

Tags

CCSS.7.EE.A.1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.6.EE.A.3

MATH RESPONSE QUESTION

1 min • 1 pt

Write a simplified expression for the area of the rectangle shown.

Mathematical Equivalence

Tags

CCSS.7.EE.A.1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.7.EE.B.4A

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.6.EE.B.5

MATH RESPONSE QUESTION

1 min • 1 pt

Mathematical Equivalence

MATH RESPONSE QUESTION

1 min • 1 pt

Mathematical Equivalence

Tags

CCSS.8.EE.C.7B

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Expressions and Equations

Write a simplified expression for the model shown.

Write a simplified expression for the area of the rectangle shown.

Li uses 8.4 grams of sugar every day in her tea. Sue uses 12.6 grams of sugar every day in her coffee. If Li's sugar canister contains 128 grams of sugar and Sue's canister contains 191 grams, in how many days will Li and Sue have the same amount of sugar in their canisters?

The perimeter of the square and the equilateral triangle are equal. Which of the following is NOT a true statement about the figures?

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