Rationalize the numerator of the expression. Then simplify your answer.
(√7 – 3)/5. my answer is incorrect. i have -2/5(√7+3)

Question

Rationalize the numerator of the expression. Then simplify your answer.
(√7 – 3)/5.       my answer is incorrect. i have -2/5(√7+3)

anonymous · Answer

√7 – 3) * √7 + 3) = 7 - 9 = -2

also multiply 5 by  (√7 + 3):

(√7 – 3)/5  = -2 / 5(√7 + 3)

- looks like you are right

anonymous · Answer

it said i was wrong though. should i distribute the 5? because it says to simplify.

radar · Answer

$$\sqrt{7-3}\over5 $$???

radar · Answer

2/5

anonymous · Answer

yea - could be -  sqrt refers to (7-3)

anonymous · Answer

its just √7-3, the √is only above the 7.

radar · Answer

Never mind

anonymous · Answer

the question as you typed it is a bit odd - can you check the original?

anonymous · Answer

(√7-3)/(5)

anonymous · Answer

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