## Grade 9 - Polynomials

### Check True/False

 1) (x + 2) is a factor of -x4 + 2x2 - x + 6. True    False

### Fill in the blanks

 2) If 2x4 + 2x3 + 2x2 + x - 13 is divide by x + 2, the remainder = .

### Choose correct answer(s) from given choice

3)Find sum of zeroes of polynomial p2 + 6p - 27.
 a. -7 b. 6 c. -4 d. -6
4)If f(x) = 8x + 3, find the inverse of f, f-1.
a.
 f-1(x) = 1 8x+3

b. f-1(x) = 8x + 3
c.
 f-1(x) = x - 3 8

d.
 f-1(x) = 8 x - 3

5)Find multiplication of zeroes of polynomial y2 + 13y + 42.
 a. -42 b. 42 c. 21 d. 84
6)If f(q) = -5q2 + 4q - 1, f(2q)+ f(-q) = ?
 a. -25q2 + 4q + 2 b. -25q2 + 4q - 2 c. 25q2 + 4q - 2 d. -25q2 - 4q - 2
7)If , find the value of .
 a. 29 b. 34 c. 20 d. 26
8)If (x + 1) is a factor of x3 + 2x2 + kx + 1, find the value of k.
 a. 3 b. 0 c. 2 d. 1
9)If x72 + 72 is divided by (x - 1), find the remainder.
 a. 0 b. 72 c. 73 d. 71
10)If f(x) = ax2 + bx + c, and f(1) = 8 and f(-1) = 6, then find the value of a + c.
 a. 7 b. 7.5 c. 8 d. 6
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