Algebra 1 Chapter 2 Test Review

• Irrational

• Rational

• Integer

• Whole

• Non-Real

Answer explanation

Decimals that don't repeat and go on forever are IRRATIONAL

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.B.3

• Irrational

• Rational

• Integer

• Whole

• Non-Real

Answer explanation

The answer is -9, which is an integer. (Whole numbers can't be negative).

Tags

CCSS.6.NS.C.6

• Irrational

• Rational

• Integer

• Whole

• Non-Real

Answer explanation

Fractions and decimals that stop or repeat are RATIONAL numbers.

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

CCSS.HSN.RN.B.3

• Irrational

• Rational

• Integer

• Whole

• Non-Real

Answer explanation

Whole numbers include 0, 1, 2, 3, 4, ...

Tags

CCSS.6.NS.C.6

• Irrational

• Rational

• Integer

• Whole

• Non-Real

Answer explanation

We get an error on our calculator because this is considered an "imaginary" number

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

Answer explanation

Common denominators for adding

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Answer explanation

Common denominators for subtracting

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Answer explanation

Multiply straight across. Simplify your answer.

Tags

CCSS.5.NF.B.6

Answer explanation

Multiply straight across. Simplify your answer.

Tags

CCSS.7.NS.A.2A

Answer explanation

Keep, switch, flip

(multiply by the reciprocal)

Tags

CCSS.7.NS.A.2B