2. Rational Numbers_MIF

_________ is an number's distance from zero.

• Opposites
• Absolute Value
• Integer
• Inequality

• 1.1

• -1.1

• 25.3

• -25.3

When you multiply two rational numbers, the sum is...

• always rational

• sometimes rational, sometimes irrational

• always irrational

• never rational

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.
• Irrational; The sum of a rational and an irrational is always irrational.
• Rational; The product of two rationals is always rational.
• Irrational; The product of a nonzero rational and an irrational is always irrational.

Put the rational numbers in order from least to greatest.
-1, -1.1, -1.5, -1.15, -0.5

• ^{-1.5, -1.15, -1.1, -1, -0.5}
• ^{-1.1, -1, -1.5, -1.15, -0.5}
• ^{-0.5, -1.1, -1, -1.5, -1.15}

What number below is a natural, whole, integer, and rational number ?

• -4

• 5.1

• 0.7

• 3

Is this number rational or irrational?

• Rational Number
• Irrational Number

• 1.8

• -1.8

• -10.8

• 10.8