More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Pre General Science Mathematics Chapter 6 Quadratic Equations Online Test MCQs With Answers
Question # 1
If x
4
- 10x
2
- 2x + 4 is divided by x + 3, then the reminder is
Choose an answer
1
0
4
None of these
Previous
Skip
Next
Question # 2
The root of the quadratic equation are
Choose an answer
3
2
1
4
Previous
Skip
Next
Question # 3
The synthetic division method is only used to divide a polynomial by
Choose an answer
quadratic equation
binomial
linear equation
monomial
Previous
Skip
Next
Question # 4
Roots of the equation x
2
- 7x + 10 = 0 are
Choose an answer
{2, 5}
{-2, 5}
{2,5}
{-2,-5}
Previous
Skip
Next
Question # 5
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
Previous
Skip
Next
Question # 6
Find a if 1 is a root of the equation x
2
+ ax + 2 = 0
Choose an answer
3
-3
2
0
Previous
Skip
Next
Question # 7
4
1+x
+ 4
1-x
= 10 is called
Choose an answer
Reciprocal equation
Exponential equation
Radical equation
None of these
Previous
Skip
Next
Question # 8
If
α
,
β
are the roots of ax
2
+ bx + c = 0 and
α
+ h,
β
+ h are the roots of px
2
+ qx + r=0, then h =
Choose an answer
Previous
Skip
Next
Question # 9
w
73
= ______
Choose an answer
0
1
w
w
2
Previous
Skip
Next
Question # 10
The graph of a quadratic function is
Choose an answer
Circle
Ellipse
Parabola
Hexagon
Previous
Skip
Next
Question # 11
(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
Previous
Skip
Next
Question # 12
If w+w2 is a root of (x+1)(x+2)(x+3)(x+4) = k, then
Choose an answer
k=0
k=1
k=w
k=w2
Previous
Skip
Next
Question # 13
If w is a cube root of unity then 1 + w + w
2
= ______
Choose an answer
1
2
0
-1
Previous
Skip
Next
Question # 14
If f(x) = ax
2
, 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
Previous
Skip
Next
Question # 15
Choose an answer
Previous
Skip
Next
Question # 16
Choose an answer
2
4
8
16
Previous
Skip
Next
Question # 17
The graph of the quadratic equation is
Choose an answer
Straight line
Circle
Parabola
elipse
Previous
Skip
Next
Question # 18
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
Previous
Skip
Next
Question # 19
Roots of the equation x
2
+ 2x + 3 = 0 are
Choose an answer
Real and equal
Real and distinct
Complex
None of these
Previous
Skip
Next
Question # 20
w
11
= ______
Choose an answer
0
1
w
w
2
Previous
Skip
Next
Question # 21
If the roots of ax
2
+ b = 0 are real and distinct then
Choose an answer
ab > 0
a = 0
ab < 0
a > 0, b > 0
Previous
Skip
Next
Question # 22
There are ______ basic techniques for solving a quadratic equation
Choose an answer
Two
Three
Four
None of these
Previous
Skip
Next
Question # 23
The roots of ax2 + bx + c = 0 are always unequal if
Choose an answer
b2 - 4ac = 0
b2- 4ac ≠ 0
b2- 4ac > 0
b2- 4ac ≥ 0
Previous
Skip
Next
Question # 24
If the roots of ax
2
+ 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
Previous
Skip
Next
Question # 25
If a polynomial p(x) is divided by x-c, then the remainder is
Choose an answer
p(x)
x-c
c
P(c)
Previous
Skip
Next
Question # 26
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
Previous
Skip
Next
Question # 27
Consider the equation px2 + qx + r = 0 where p,q,r are real The roots are equal in magnitude but opposite in sign when
Choose an answer
q = 0, r = 0,p ≠ 0
p = 0,qr≠ 0
r = 0,pq≠ 0
q = 0, pq≠ 0
Previous
Skip
Next
Question # 28
Choose an answer
Previous
Skip
Next
Question # 29
Choose an answer
0
1
2
3
Previous
Skip
Next
Question # 30
If sin
α
and cos
α
are the roots of the equation px
2
+ qx + r =0, then
Choose an answer
p
2
- q
2
+ 2pr = 0
(p + r)
2
= q
2
- r
2
p
2
+ q
2
- 2pr = 0
(p - r)
2
= q
2
+ r
2
Previous
Skip
Next
Question # 31
Roots of the equation x
2
- x = 2 are
Choose an answer
{2, -1}
{1, 0}
{2, 1}
{-2, 1}
Previous
Skip
Next
Back