7. What are the factors of -36 whose sum is -5?
A. -18 and 2
B. -9 and 4
C. 9 and 4
D. 18 and -2
8. In x2 + bx + c, what b stands for?
A b is the difference of the factors of C.
C. b is the sum of the factors of c.
B. b is the product of the factors of c.
D. b is the quotient of the factors of c.
9. What are the dimensions of a rectangular ground whose area is x' + 7x- 18 meters?
A (X + 6) and (x - 3)
B. (X-6) and (x + 3)
C. (X – 9) and (x + 2)
D. (X + 9) and (x-2)
10. The area of a rectangular garden is 15x + 11x + 2 cm and its width is (3x + 1) cm. What is the length of the
garden?
A. (5x + 2) cm
B. (5x-2) cm
C. (5x + 1) cm
D. (5x - 1) cm
11. Which of the mathematical symbols represents "the ratio of five and a number"?
A 5+ x
B. 5 - x
C. 5x
D.???
12. In the expression at what value of x will the denominator be equal to zero?
A 4
B. 0
C. 1
D. 4
13. What is the equivalent of (3x¹⁰)º?
А.0
B.???
C. 1
D. 3x​