TEKS.MATH.8.2B

Find the area of the circle.

• 21.98 units²
• 153.86 units²
• 43.96 units²
• 615.44 units²

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TEKS.MATH.8.2B

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10 ⁵

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TEKS.MATH.8.2B

√ 81

• 8
• 7
• 10
• 9

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TEKS.MATH.8.2B

√ 81

• 8
• 7
• 10
• 9

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TEKS.MATH.8.2B

Simplify:  √31

• 3√1
• already simplified
• 1√3
• 15√2 + 1

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TEKS.MATH.8.2B

What is the opposite of squaring a number?

• divide
• multiply 
• fractions
• square root

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TEKS.MATH.8.2B

Which is the best estimate of the square root of 63?

• 7.1
• 7.3
• 7.5
• 7.9

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TEKS.MATH.8.2B

√256

• 14
• 16
• 13
• 17

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TEKS.MATH.8.2B

Which statement describes an irrational number

• It can be written as a fraction
• In decimal form, it can be a repeating decimal or a terminating decimal
• In decimal form, it can't be a repeating decimal, and it can't be a terminating decimal
• It does not occur in decimal form

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TEKS.MATH.8.2B

Between which two numbers does  $\sqrt{11}$  lie on a number line?

• 4 and 5

• 5 and 6

• 10 and 11

• 3 and 4

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TEKS.MATH.8.2B