Question # 1

Choose an answer

Polynomial of degree 0

Polynomial of degree 2

Quadratic equation

None of these

The solution of the quadratic equation x2 -7x + 10=0, is

Choose an answer

2

5

2,5

7

If ax + bx + c =0 is satisfied by every value of x,then

Choose an answer

b = 0,c = 0

c = 0

b = 0

a = b = c = 0

If the roots of ax²+ b = 0 are real and distinct then

Choose an answer

ab > 0

a = 0

ab < 0

a > 0, b > 0

The graph of the quadratic equation is

Choose an answer

Straight line

Circle

Parabola

elipse

If the roots of ax2 + b =0 are real and distinct then

Choose an answer

ab > 0

a = 0

ab < 0

a > 0,b > 0

The roots of the equation ax²+ bx + c = 0 are real and equal if

Choose an answer

b²- 4ac < 0

b²- 4ac = 0

b²- 4ac > 0

None of these

There are ______ basic techniques for solving a quadratic equation

Choose an answer

Two

Three

Four

None of these

If a,β are the roots of ax2+bx+c=0,the equation whose roots are doubled is

Choose an answer

ay2 +2by+c=0

ay2+2by+4c=0

ay2+2by+c=0

ay2+by+4c=0

If b²- 4ac = 0 then the roots of the equation are

Choose an answer

Real and distinct

Real and equal

Imaginary

None of these

In quadratic equation, if the replacement of y with -y leaves the equation unchanged, then the graph is

Choose an answer

Straight line

Circle

Hyperbola

Symmetric w.r.t.0

If a polynomial P(x) is divided by x - a, then the remainder is

Choose an answer

P(o)

P(-a)

P(a)

None of these

Choose an answer

Two real roots

Two positive roots

Two negative roots

One positive and one negative root

If f(x) = ax², and a>0, then the lowest point on the parabola is called.

Choose an answer

Vertex of parabola

Co-ordinates of parabola

Roots of the equation

Coefficient of the equation

If x³+ ax²- a²x - a³is divided by x + a, then the remainder is

Choose an answer

0

a³

2a³

-2a³

The solution set of x²- 5x + 6 = 0 is

Choose an answer

{1, 3}

{2, 3}

{1, 2}

None of these

If one root of 5x2 + 13x + k = 0 be the reciprocal of the other root the value of k is

Choose an answer

0

2

1

5

Choose an answer

2

4

8

16

Choose an answer

Only one real solution

Exactly three real solution

Exactly one rational solution

Non-real roots

The roots of the equations will be equal if b²- 4ac is

Choose an answer

Positive

Negative

1

Zero

If one root of the equation x²- 3x + a = 0 is 2 then a = ______

Choose an answer

0

1

2

3

Ifα,βare the roots of ax²+ bx + c = 0 andα+ h,β+ h are the roots of px²+ qx + r=0, then h =

Choose an answer

If 2x^1/3+ 2x^-1/3= 5, then x is equal to

Choose an answer

1 or -1

2 or 1/2

8 or 1/8

4 or 1/4

If x² + px + 1 is a factor of ax³+ bx +c, then

Choose an answer

a²+ c²= -ab

a²- c²= -ab

a²- c²= ab

None of these

Choose an answer

0

1

2

3

The solution of equation x2 + 2 = 0 in the set of real number is

Choose an answer

Infinite set

Singleton set

Null set

None of these

Choose an answer

If the roots of ax²+ bx + c =0 are equal in magnitude but opposite in sign, then

Choose an answer

a = 0

b = 0

c = 0

None of these

In a quadratic equation with leading co-efficient 1, a student reads the co-obtain the roots as - 15 and -4. The correct roots are

Choose an answer

6, 10

-6, -10

8, 8

-8, -8

(x +a)(x +b)(x +c)(x +) = k, k≠0 is reducible to quadratic form only if

Choose an answer

a+b=c+d

a+c=b+d

a+d=b+c

All are correct

Choose an answer

0

1

2

None of these

More Classes

Other Links

ECAT Mathematics Chapter 6 Quadratic Equations 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

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