15. The area of a rectangle is (9x2 - 49y)cm'. what is its length if the width is
(3x - 7y)cm?
a. (3x - 7v)cm
c. (9x + 7y)cm
b. (3x + 7y)cm
d. (9x - 7y)cm
16. What must be multiplied to 2m-3n to produce 6am - 9an + 4bm - 6bn?
а. За - 2b b. За + 2b c. 2a - 3b
d. 6a + 3b
17. What value of c will make xl-5x + c factorable?
a. 5
b. 10
d. 17
18. Which of the following factors give a product of x2 + 5x + 4?
a. (x + 1)(x + 4)
c. (x + 2)(x+2)
b. (x + 5)(x - 1)
d. (x-2)(x-2)
19. If the expression 3a - 48a is factored completely how many prime polynomial
will there?
a. 2
b. 3
C. 4
d. 5
20. In what quadrant does a point lie if its coordinates are both positive?
al
b. II
c. III
d. IV
21. In what quadrant can you find point A[ -9, -12)?
a.1
b. II
d. TV
22. Which point lie in quadrant 111?
a.(4,8)
b. (5,-8)
c. ((-6, -7) d. (-1,9)
Pasagot po:<​