7. What must be multiplied to b +5 to obtain
b + 11b + 302
A. b-6
C. b-5
B. b + 6
D.-6.6
8. The side of a square is 2x + 3 units. What is
its area?
A. 4x + 6 sq. units
B.X + 6x + 9 sq. units
C. 4x + 12x + 9 sq. units
D. 4x2 + 9 sq. ynits
9. Give the product of (a + b) (a - b)?
A. a? - ab-b2 C. a² - 6²
B. a2 + ab + b *. D. a + b
10. Suppose the side of the square garden is
(x + 2) cm, what is the area of the garden?
A. x2 + 4x + 4 cm
B.x2 - 4x + 4 cm
C. x2 + 2x + 4 cm
D.x2 - 2x - 4 cm​