1.Which of the following quadratic equations can be solved easily by extracting square roots?

A. x²-8x+12=0

B. w²-81-0

C. 4²-40 = 24

D. 9y²-21y-54

2. What are the roots of the equation
x²-5x-24 = 07

A. 8 and -3 B. -8 and -3

C.-8 and 3 D. 8 and 3

3.Which of the following represents a quadratic equation?

I. 5x + 1 = 12x + 7

II. y² = 4x+8

III. (x+3)(x-12)=6

A. I only

B. II only

C. Ill only

D. II and III

4. What number must be added on both sides of the equation 2x²-16x=-10 so that the left hand side will produce a perfect square trinomial?

A.9

B. 16

C. 36

D. 64

5.Which of the following values of x make the equation x² +7x-18=0?
I. -9

II. 9

III. 2

A. I and II

B. II and III

C. I and III

D. I,II and III

Pa answer po ty..​