Question

EASY BRAINLIEST!

Answer 1

The correct answers are;

A. $3x^{2} =9$

C. $4x^{2} =16$

E. $13x^{2} =169$

F. $25x^{2} =625$

Hope this helps!!!!

Answer 2

To check which are the perfect squares we have factorise the number and make group of two if no factor remains after grouping then given number is perfect square.

9 = 3×3

Form group of number 3 thus is perfect square

24 = 3×2×2×2

As only pair of 2 form group, 3 and 2 left behind . So, 24 is not a perfect square

16 = 2×2×2×2 . There are two pairs of 2 and nothing left behind .

Thus 16 is a perfect square

200 =2×2×5×5×2 , there are pairs of 2 and 5, but number 2 left without pair

Therefore 200 is not a perfect square

169 = 13×13 ,form pair of 13 . Hence, is a perfect square

625=5×5×5×5, forms two pair of 5 . Therefore is perfect square