Section __________________________
REVISING IN MATHEMATICS IV
A.Y. 2014 - 2015
(Science Class)
General Directions: Analyze the following statements then write the correct answer.
I. MULTIPLE CHOICES
Directions: Read the following test items carefully. Write the letter of the correct answer.
1. Which of the following is a polynomial function?
a. P(x) = 3x-3 – 8x2 + 3x + 2 c. P(x) = 2x4 + x3 + 2x + 1
b. P(x) = x3 + 4x2 + – 6 d. G(x) = 4x3 – + 2x + 1
2. What is the degree of the polynomial function f(x) = 5x – 3x4 + 1?
a. 2 c. 4
b. 3 d. 5
3. What will be the quotient and the remainder when y = 2x3 – 3x2 – 8x + 4 is divided by (x +2)?
a. q(x) = 2x2 – 7x + 6 , R = -8
b. q(x) = 2x2 – 7x + 6, R = 8
c. q(x) = 2x2 – 7x – 6, R = -8
d. q(x) = 2x2 – 7x - 6 , R = 8 4. If f(a) = 2a3 + a2 + 12, what will be the value of f(a) at a = -2?
a. 1
b. -1
c. 0
d. 2 5. What must be the value of k so that when f(x) = kx2 - x + 3 divide by (x + 1) and the remainder is 5?
a. 2
b. -2
c. 0
d. 1 6. What must be the value of k in the function f(x) = x4 + x3 – kx2 – 25x – 12 so that (x – 4) is a factor? a. -12
b. -13
a. 13
b. 12
7. What is the remainder when f(x) = x4 + 3x2 + 4x – 1 divided by (x – 1)?
a. 7
b. -7
c. 6
d. 5
8. Which of the following binomial is a factor of f(x) = x3 – x2 – 5x – 3? a. x - 1
b. x + 2
c. x - 3
d. x –2
9. Which of the following states that, “if a polynomial P(x) is divided by x – a then the remainder is p (a)”?
a. Factor Theorem
b. Polynomial Function
c. Rational Root Theorem
d. Remainder Theorem
10. Which theorem refers to, “if P(x) is a polynomial and p(a) = 0 then x – a is a factor of P(x)”?
a. Factor Theorem
b. Polynomial Function
c. Rational Root Theorem
d. Remainder Theorem
11. In P(x) = (x + 1) (, what term refers to?
a. Binomial c. Quadratic Equation
b. Depressed Factor d.