Which of these equations has infinitely many solutions?

−3(6 x + 4) + 30 x = 12( x − 1)

The scatter plot represents the weight of a car and its gas mileage. Based on the data presented, which statement is true?

Gas mileage decreases with an increase in car weight.

The heaviest car gets the best gas mileage.

The lightest car gets the worst gas mileage.

Gas mileage decreases with an decrease in car weight.

A polygon is drawn and then reflected over the line as shown in the diagram. Which statement is true?

The two polygons are congruent because a reflection does not change size and shape.

The two polygons are not congruent because a reflection changes angle measures.

The two polygons are not congruent because a reflection changes side length

The two polygons are congruent because all polygons are congruent.

Which of the numbers is irrational?

3 \sqrt{3} 3 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

4 \sqrt{4} 4 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Chris has $100 in his savings account and he adds $20 a month to the account. The total amount can be represented by the linear function T = 20x + 100. His goal is to have a total of $300 in four more months. What should he change in the function to reach this goal?

Change the amount he adds each month to $50.

Change the amount he adds each month to $40.

Change the y-intercept of the linear function to $20.

Change the y-intercept of the linear function to $50.

Which equation shows how to find the product of 100,000 and 1,000,000 using scientific notation?

100,000 × 1,000,000 = (1 × 10 5 ) × (1 × 10 6 ) = 1 × 10 (5 + 6) = 1 × 10 11

100,000 × 1,000,000 = (1 × 105) × (1 × 106) = 1 × 10(5 × 6) = 1 × 1030

100,000 × 1,000,000 = (1 × 10 6 ) × (1 × 10 7 ) = 1 × 10 (6 + 7) = 1 × 10 13

100,000 × 1,000,000 = (1 × 10 6 ) × (1 × 10 7 ) = 1 × 10 (6 × 7) = 1 × 10 42

A term with numbers and variables.

A symbol to represent the unknown.

A number multiplied by a letter.

Parts of the expression separated by plus or minus signs.

ACAP PREP 8th Grade

Authored by Jude Sanford

Mathematics

8th Grade

CCSS covered

Used 55+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which translation can be used to prove that figures 2 and 3 are congruent?

(x, y) → (x, y - 4)

(x, y) → (x + 2, y)

(x, y) → (x - 3, y + 1)

(x, y) → (x + 1, y - 3)

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pair of ratios form a proportion?

7:11 and 35:44

9:12 and 27:48

11:7 and 33:21

Tags

CCSS.7.RP.A.2A

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which mapping diagram does NOT represent a function from x → y?

Tags

CCSS.8.F.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two ratios form a proportion?

2 : 3 and 12 : 18

2 : 3 and 12 : 36

2 : 3 and 4 : 12

Tags

CCSS.7.RP.A.2A

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$x^3=\frac{27}{64}$

x = 34

x = (34)³

$x=\frac{3}{4}$

$x=(±34)3$

Tags

CCSS.8.EE.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which line best fits the data in the scatterplot?

y = 2x - 1

y = 2x + 2

y = 2x + 3

y = 2x + 1

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x + 3y = 7
x - 3y = 1
Solve the system of equations.

x = 4, y = 1

x = 1, y = 4

x = -23, y = 3

x = 3, y = -23

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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