Rational and Irrational numbers Unit 1.2 Test Review Rational and Irrational numbers

Which expression is equivalent to (x-2)(x-6) x2-6x2-2x+12 x2-8x+12 x2-8x-12

The sum of a rational number and an irrational number is irrational The sum of a rational number and an irrational number is irrational. Which expression supports this statement? 2 + 2 3 +1 3+6 1 3 +6

The quotient of two numbers is a rational number The quotient of two numbers is a rational number. If one of those numbers is 27 , which could be the other number? 3 16 8 1 2

Why is 8.57 a rational number? Select all that apply. The value is a repeating decimal. All decimals are rational numbers. The value is a terminating decimal. The value can be written as a ratio of two integers. The value cannot be written as a ratio of two integers.

An irrational number squared is rational. Always true Sometimes true Never true

The difference of two rational numbers is rational. Always true Sometimes true Never true

The product of two rational numbers is rational. Always true Sometimes true Never true

Determine if the numbers are rational or irrational. 9 100 4 3 20 27 .245 (2+ 6 )(2− 6 ) 5 100 π 2+ 27 3 125

Is 2 4 ⋅ 4 2 rational or irrational?

Simplify the following 3 5 − 5 81 + 25 7 2 5 3 +2 3 11 ⋅ 11