Question # 1

The discriminant of 2x²-7x+1= 0 is:

Choose an answer

41

45

43

47

Cube roots of -1 are:

Choose an answer

ax²+bx+c=0, c is the:

Choose an answer

Co-efficient

Variable

Factors

Constant

Choose an answer

-2

2

4

-4

If a = -2, b = -1 and c = -1, then discriminant is equal to:

Choose an answer

17

-17

-7

7

Sum of the cube roots of unity is:

Choose an answer

0

1

-1

3

The discriminant of 7x²+8x+1=0 is:

Choose an answer

32

34

36

38

Sum of the roots of the equation 3x²-5x+7=0:

Choose an answer

5+3

5³

If a = 7, b = 8 and c = 1 then b²-4ac is equal to:

Choose an answer

33

34

35

36

If b²-4ac = 0, then roots are:

Choose an answer

Rationaland equal

Irrationaland equal

Irrationaland unequal

Rational and unequal

If b²-4ac > 0 and is not a perfect square, then roots are:

Choose an answer

Rationaland unequal

Irrationaland equal

Rationaland equal

Irrationaland unequal

Find k, if the roots are equal in (k+3)x²-2(k+1)x-(k+1)=0:

Choose an answer

2, -1

-2,-1

-2,1

2,1

Choose an answer

2

1

0

More Classes

Other Links

Mathematics 10th Class English Medium Unit 2 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer