WorksheetsTest
Total questions: 10
Worksheet time: 7mins
If one zero of the quadratic polynomial x² + 3x + k is 2, then the value of k is
5
-5
10
-10
A quadratic polynomial, whose zeores are -4 and -5, is
x²-9x + 20
x² + 9x + 20
x²-9x- 20
x² + 9x- 20
What is the number of zeroes that a linear poly-nomial has/have:
1
2
3
4
If one zero of the quadratic polynomial x² + 3x + b is 2, then the value of b is
10
8
-9
-10
If 1 is one of the zeroes of the polynomial x² + x + k, then the value of k is
2
-2
4
-4
The graph of the polynomial ax² + bx + c is an upward parabola if
a>0
a<0
a=0
None of these
If α and β are zeroes of x2 – 4x + 1, then 1/α + 1/β – αβ is
3
5
-3
-5
If (x + 1) is a factor of x2− 3ax +3a − 7, then the value of a is:
1
-1
0
2
If α, β are zeroes of x2 –6x + k, what is the value of k if 3α + 2β = 20?
-16
8
2
-8
Zeroes of a polynomial can be expressed graphically. Number of zeroes of polynomial is equal to number of points where the graph of polynomial is:
Intersects x-axis
Intersects y-axis
Intersects y-axis or x-axis
None of the above
