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8th Grade Challenge: Simplifying Radicals & Like Terms

Authored by Anthony Clark

English, Mathematics

8th Grade

CCSS covered

8th Grade Challenge: Simplifying Radicals & Like Terms
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Simplify the radical expression: √(50) + √(18). What is the simplified form?

8√2

4√2

10√2

6√2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. Identify the like terms in the expression: 3x + 5y - 2x + 7y. What are the like terms?

The like terms are 3x and -2x, 5y and 7y.

5x and 7y

-2y and 7x

3y and 5x

Tags

CCSS.6.EE.A.2B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. A rectangle has a length of (2√3 + 4) meters and a width of (√3 + 1) meters. What is the expression for the perimeter of the rectangle?

6√3 + 10

4√3 + 8

6√3 + 8

8√3 + 6

Tags

CCSS.7.EE.B.3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. Create an inequality based on the statement: A student must score more than 75% on a test to pass. Let x represent the score. Write the inequality.

x < 75

x ≥ 75

x > 75

x = 75

Tags

CCSS.6.EE.B.8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. Factor the polynomial: x² - 9. What are the factors?

(x - 9)(x + 1)

(x - 6)(x + 6)

(x - 3)(x - 3)

(x - 3)(x + 3)

Tags

CCSS.HSA.APR.C.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. Find the zeros of the function: f(x) = x² - 16. What are the zeros?

The zeros are 4 and -4.

0 and 16

8 and -8

2 and -2

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. Rearrange the formula for the area of a triangle, A = 1/2 * base * height, to solve for height. What is the rearranged formula?

height = A * base

height = A / (1/2 * base)

height = 2A / base

height = 1/2 * A / base

Tags

CCSS.HSA.CED.A.4

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