Math Final

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.

Irrational numbers...

• reduce to π

• never end and never repeat

• can sometimes be perfect squares

• must be negative

A fraction is which type of number?

• Rational

• Irrational

Is the following number rational or irrational? (π / 2)

• Rational

• Irrational

A perfect square is which type of number?

• Rational 

• Irrational

A decimal that stops is which type of number? Example: 2.75

• Rational

• Irrational

Write 9/10 as a decimal

• 9.10

• .09

• .9

• 9

Convert .05 into a fraction in simplest form.

• 5/100

• 1/5

• 1/20

• 1/50

Which is equivalent to 5 x 5 x 5 x 5

• 5³

• 5⁴

• 4⁵

• 5⁵

Which number is the BASE?
2³ = 8

• 2

• 3

• 8

• not here