CCSS.Math.Content.8.EE.A.2

What is the opposite of squaring a number?

• divide
• multiply 
• fractions
• square root

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CCSS.Math.Content.8.EE.A.2

√2

• Rational
• Irrational

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CCSS.Math.Content.8.EE.A.2

Is √2 Irrational?

• Yes
• No

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CCSS.Math.Content.8.EE.A.2

Classify this number: √25

• real
• real      rational
• real      rational        integer
• real   rational   integer   whole

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CCSS.Math.Content.8.EE.A.2

Which of the following is NOT a perfect square?

• 1
• 4
• 100
• 8

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CCSS.Math.Content.8.EE.A.2

If the area of a square is 81, what is the length of the side?

• 9
• -9
• 20.25

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CCSS.Math.Content.8.EE.A.2

Simplify

• 9
• √9
• 3√9
• can't simplify

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CCSS.Math.Content.8.EE.A.2

Rationalize the ratio 6 ⁄ √5

• 30 ∕ 5
• 6√5 ∕ 5
• 6√5
• 30

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CCSS.Math.Content.8.EE.A.2

Solve Using Square Roots:

(x+6)²=49

• x=±7

• x=±6.56

• x=1,-13

• x=43,-55

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CCSS.Math.Content.8.EE.A.2

x² - 400

• ( x - 200) ( x + 200) 
• ( x + 20) ( x + 20) 
• Prime
• ( x - 20) ( x + 20) 

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CCSS.Math.Content.8.EE.A.2