8th grade: Unit 2 Post Test

MGSE8.NS.1: Of the following numbers, which one(s) are irrational numbers? Select one or more correct answers. Choose all that apply.

• √1

• √2

• √4

• √7

• √8

Tags

CCSS.8.EE.A.2

1. MGSE8.NS.2: Which point best represents √ 10 ?

• A. Point P

• B. Point Q

• C. Point R

• D. Point S

Tags

CCSS.8.EE.A.2

MGSE8.EE.7: Which is the first incorrect step in the solution shown below?

Solve: 3(x + 5) = 2x + 35

Step 1: 3x + 15 = 2x + 35

Step 2: 5x + 15 = 35

Step 3: 5x = 20

Step 4: x = 4

• A. Step 1

• B. Step 2

• C. Step 3

• D. Step 4

Tags

CCSS.HSA.REI.A.1

1. MGSE8.EE.7: Solve 9x+10 = 7x + 2 for x.

• A. -6/5

• B. 6/5

• C. 4

• D. -4

Which of these is equivalent to

• A. x⁷y¹⁰

• B. x⁷y⁴

• C. x³y⁴

• D. X^-3y^-4

Tags

CCSS.HSA.APR.A.1

The cube root of 300 is between which numbers?

• A. 6 and 7

• B. 17 and 18

• C. 75 and 76

• D. 100 and 101

Tags

CCSS.8.EE.A.2

1. The mean distance from Venus to the Sun is 1.08 x 10⁸ kilometers. Which of the following quantities is equal to this distance?

• 108,000,000 kilometers

• 1,080,000,000 kilometers

• 10,800,000,000 kilometers

• 108,000,000,000 kilometers

Tags

CCSS.8.EE.C.7B

9. MGSE8.EE.4: What is the quotient of 8.05×10⁶ and 3.5×10²?

• A. 2.3 x 10³

• B. 2.3 x 10⁴

• C. 2.3 x 10⁸

• D. 2.3 x 10¹²

10. Evaluate 5√28

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• 54√28

• 20√7

• 10√7

• 5√7

Evaluate 2√18a⁶b²

• 3a³b√2

• 6a³b²√2

• 6a³b√2

• 2a³b√2