Grade 9 - Polynomials

(Sample Online worksheet)

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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