Question # 1

If the roots of x²+ ax + b = 0 are non-real, then for all real x, x²+ ax + b is

Choose an answer

Negative

Positive

Zero

Nothing can be said

If a,βare the roots of the equation x2 - 8x + p = 0 and a2 + β2= 40,then value of p is

Choose an answer

8

12

10

14

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

Choose an answer

Only one real solution

Exactly three real solution

Exactly one rational solution

Non-real roots

Choose an answer

The roots of the equation x2 +6x-7=0,are

Choose an answer

1

2

1 and -7

-7

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

Choose an answer

2

5

2,5

7

Choose an answer

Lies between 4 and 7

Lies between 5 and 9

Has no value between 4 and 7

Has no value between 5 and 9

Choose an answer

There are ______ basic techniques for solving a quadratic equation

Choose an answer

Two

Three

Four

None of these

The maximum value of the quadratic function f(x) = 2x2-4x+7,is

Choose an answer

3

5

-3

-5

If 3x4 +4x3+x5is divided by x+1 , which of the following is the remainder

Choose an answer

7

-2

6

1

If a polynomial P(x) is divided by x + a, then the remiander is

Choose an answer

P(a)

P(-a)

P(0)

None of these

The minimum value of the quadratic function f(x) = x2 +6x -2, is

Choose an answer

11

6

-11

13

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

w⁴= ______

Choose an answer

0

1

w

w²

Only one of the root of ax2 + bx + c =0, a≠ 0 is zero if

Choose an answer

c = 0

c = 0,b≠ 0

b = 0,c = 0

b = 0,c≠ 0

If ax²+ bx + x = 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 b²- 4ac = 0 then the roots of the equation are

Choose an answer

Real and distinct

Real and equal

Imaginary

None of these

The root of the quadratic equation are

Choose an answer

3

2

1

4

The graph of a quadratic function is

Choose an answer

Circle

Ellipse

Parabola

Hexagon

5x³+ 3x - is a ______

Choose an answer

Polynomial of degree 3

Polynomial of degree 2

Polynomial of degree 1

Polynomial of degree 0

Roots of the equation 2x²- 7x + 3 = 0 are

Choose an answer

Rational

Irrational

Complex

None of these

The product of the four fourth roots of unity is

Choose an answer

0

1

-1

None of these

If the roots of ax²+ bx + c = 0 (a > 0) be greater than unity, then

Choose an answer

a + b + c = 0

a + b + c > 0

a + b + c < 0

None of these

Choose an answer

Two real roots

Two positive roots

Two negative roots

One positive and one negative root

4^1+x+ 4^1-x= 10 is called

Choose an answer

Reciprocal equation

Exponential equation

Radical equation

None of these

A polynomial of arbitrary degree

Choose an answer

f(x) = o

f(x) = x

f(x) = a

f(x) = ax + b,a ≠ 0

For the equation |x²| + |x| -6 =0, the roots are

Choose an answer

One and only one real number

Real with sum one

Real with sum zero

Real with product zero

Choose an answer

4

6

8

10

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

More Classes

Other Links

ECAT Pre General Science 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