13. Which statement satisfies the concept of a quadratic function. A. Equal differences in produces equal second differences in y. B Equal differences in x gives equal third differences in y. C. Both statement A & B. D. None of the above statements.
14. The quadratic function of the form y = ax + bx+c, which of the following must not be equal to der
A. a B. b Cc D. X term
15. What must be the value of n so that the term x³–²n is the degree 2.
A. -1 B.- 1/2 C. 1/2 D. 1
16. What is the degree of the expression 2y + 5xy + 2xy. A. 2 B. 4 C. 5 D. 6
17. What are the value of a, b, and c in the equation y + 5 = 2x - 3x, if it is written in the form y = ax²+bx+c?
A. a=5, 6-3,c=2 B. a=-3, 6-5,2 C. a-3, 6-2,c2-5 D. a=-3, 6-2, -5
18. Which of the following is a quadratic function?
A. y = 5x - 4 B. y = 2x - 5x C. y=x-3x D. Y=21x B
19. Express f(x) = 3(x-7)+5, in the form (x) = ax + bx+c?
A. f(x) = 3X2 - 21X + 152 C. 800) = 3x - 21x + 54 B. f(x) = 3x? - 42x + 152 D. f(x) = 3x - 42x + 54
20. If f(x) = (2 - 3x) + 1 is written in the form f(x) = ax + bx +, find a + b + c?
