Really Cool Math 8 Review Quiz 1

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a fraction.
• A rational number cannot be a repeating  decimal.

Tags

CCSS.5.NBT.A.2

Which number is a rational number ?

• 1/4
• π
• √3
• ∛25

Tags

CCSS.HSN.RN.B.3

√25

• Rational
• Irrational

Tags

CCSS.8.NS.A.1

-17.565

• Rational
• Irrational

Tags

CCSS.HSN.RN.B.3

The √98 falls between what two numbers on a number line?

• 10 and 11
• 11 and 12
• 9 and 10
• 90 and 100

Tags

CCSS.8.NS.A.2

put √7 in the right blank

• __, 2.5, 2.63, 2.65
• 2.5, __, 2.63, 2.65
• 2.5, 2.63, __, 2.65
• 2.5, 2.63, 2.65, __

Tags

CCSS.8.NS.A.2

Solve x² = 16

• 4
• 4, -4
• 256

Tags

CCSS.8.EE.A.2

Solve √x = 6

• 36
• -36
• 36, -36

Tags

CCSS.HSA.REI.A.2

CCSS.HSN.RN.A.2

Solve x² = 289

• 17
• 17, -17
• 18
• 18, -18

Tags

CCSS.8.EE.A.2

√ 81

• 8
• 7
• 10
• 9

Tags

CCSS.8.EE.A.2