If \sqrt{(x+2)(y+5)}=11, then find x and y.

Powers and Roots Practice Test 3

Question : 18 of 40

Marks: +1, -0

√{(x+2)(y+5)}=11

, then find x and y.

Solution:

√{(x+2)(y+5)}=11

Squaring both sides,

(x + 2) (y + 5) = (11)^2

So, x + 2 = 11 and y + 5 = 11
∴ x = 9 and y = 6.

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