Question # 1

The some of cube roots of unity is:

Choose an answer

Zero

One

Two

Three

Choose an answer

2

1

0

Choose an answer

-2

2

4

-4

Choose an answer

-1

Identify the equation whose roots are imaginary and unequal:

Choose an answer

2x²-x+1=0

x²+8x+16=0

3x²+4x+2=0

x²-7x+7=0

Roots of the equation 4x²-5x+2=0 are:

Choose an answer

Irrational

Imaginary

Rational

None of these

The Discriminant of ax²+bx+c=0 is:

Choose an answer

b²-4ac

b²⁺4ac

-b²⁺4ac

-b²-4ac

If b²-4ac<0, then the roots of ax²+bx+c=0 are:

Choose an answer

Irrational

Rational

Imaginary

None of these

Choose an answer

2

6

5

The discriminant of x²-3x+3=0 is:

Choose an answer

-3

3

-2

2

if a=1, b=-3 and c= 3, then discriminant is:

Choose an answer

3

-2

2

-3

Choose an answer

1

Choose an answer

bc

The nature of the roots of equation ax²+bx+c=0, is determined by:

Choose an answer

Sum of the roots

Product of the roots

Synthetic division

Discriminant

If 1 is the zero of polynomial, then remainder is:

Choose an answer

3

2

0

1

Choose an answer

1

0

Choose an answer

If b²-4ac>0 and is a perfect square, then roots are:

Choose an answer

Rational and equal

Rationaland unequal

Irrationaland equal

Irrationaland unequal

Sum of the cube roots of unity is:

Choose an answer

0

1

-1

3

The nature of the root of equation x²-5x+5=0

Choose an answer

Rationaland equal

Irrationaland unequal

Irrationaland equal

Rationaland unequal

If (x+1)(7x+1) = 0 then x is equal to:

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer