AMP MATH 8 REVIEWERS

A number is non-terminating and non-repeating. Which of the following best describes it?

• Rational and Real

• Repeating Decimal

• Irrational and Real

• Integer

Which sequence correctly shows the numbers in increasing order?

• –√2, –1.5, 0, 1/2, π

• –1.5, –√2, 0, π, 1/2

• –√2, 0, –1.5, 1/2, π

• –1.5, 0, –√2, 1/2, π

What is the exact distance between –3√2 and 2√2 on the number line?

• √2

• 5√2

• 6

• 5

If a = −49, what is the value of |a| + a?

• 0

• –14

• –7

• 7

Which of the following always results in a rational number?

• Irrational × Rational

• Rational × Rational

• Irrational + Irrational

• Irrational ÷ Rational

Simplify: 50 × 2

• 10

• √100

• 25

• 10√2

Which of the following is greater?

• 2/3

• 1/3

• They are equal

• Cannot be determined

A student simplifies: |−2/3| + |−5/6| = −2/3 + −5/6. What is the error?

• Sign error in combining terms

• Misuse of absolute values

• Fraction error

• No error

Which of the following operations preserves irrationality?

• Rational × 0

• Irrational ÷ Rational (non-zero)

• Irrational + Rational

• Rational – Rational

If a non-zero number is multiplied by its multiplicative inverse, the result is:

• 0

• 1

• The square of the number

• –1