Question

PLEASE HELP ASAP

Which expressions simplify to an irrational answer? (Select each correct answer.)
√9*√16
√7*√5
√3*√2
4√2*√2

Answer 1

Explanation:

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Answer 2

√7 × √5

√3 × √2

Explanation

√9*√16 = 3 × 4

= 12

= 12/1 ⇒ It is a rational answer.

√7*√5 = √(7×5)

= √35

= 5.916079783.... ⇒ Irrational

√3*√2 = √(3×2)

= √6

= 2.449489743... ⇒ Irrational

4√2*√2 = 4 × √(2×2)

= 4 × √4

= 4 × 2

= 8

= 8/1 ⇒ It is rational

The expressions that would give irrational answers are: √7*√5 and√3*√2