Class 10 Mathematics – Quiz EnixLearn

Welcome to your class 10 May Unit Test

Name Class

1.

If X and B are the zero of x² + 5x + 8 then value of (x + B) is:

5

-5

8

2.

If x and B are the zero of the polynomial x² + 6x + 2 then (1/x + 1/B)=?

3

– 3

– 12

3.

If two of the zero cubic polynomial ax³ + bx² +cx + d are 0. Then the third zero is:

–b/a

b/a

c/a

4.

Zero of p (x) = x² - 2x – 3 are:

1, -3

3, -1

-3, -1

5.

If x, B are the zero of kx² - 2x + 3k such that x + B = xB then k=?

1/3

-1/3

2/3

6.

If x=3 is a solution of the equation 3x² + (k - 1) k + 9 = 0 then k = ?

11

– 11

13

7.

If the product of the roots of the equation x² - 3x + k = 10 is -2 then the value of k is:

- 2

- 8

8

8.

If one root of the equation 3x² - 10x + 3 = 0 is 1/3 then the root is:

-1/3

1/3

3

9.

The roots of a quadratic equation are 5 and -2. Then the equation is:

k² - 3x + 10 =0

x² -3x – 10 = 0

x² + 3x – 10 = 0

10.

The roots of the equation ax² + bx + c = 0 will be reciprocal of each other if:

a = b

b = c

c = a