8-26-22 Algebra

• irrational

• rational

• integer

• whole number

• natural number

• irrational

• rational

• integer

• whole number

• natural number

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.

Add the fractions:
1/3 + 1/5 =

• 8/15
• 2/5
• 1/2
• 1/3

3 ¹/₄ - 1 ⁴/₅

• 2 ³/₅

• 2 ¹/₄

• 1 ²/₅

• 1 ⁹/₂₀

• 1

• 14

• 15

• 16

• 15

• 17

• 19

If a = 4 & b = 6, what is 3a + 5b?

• 40
• 42
• 44
• 46