10th Class Maths MCQ with Answers
The solution set of equation x2 -x – 2 = 0 is …………
{2,-1}
{-2.-1}
{2-1}
{-2,1}
In 3x2 + 4x = 5 the co-efficient of x2 is:
3
4
5
-3
Two linear factors of x2-15x+56 are…………..
(x+7) and (x+8)
(x+7) and (x-8)
(x-7) and (x-8)
(x-7) and (x+8)
cancellation of x on both sides of 5x2 = 30 x means.
Undefined solution
The loss of one root
Gain of one root
No loss of any root
The value of variable of an equation not satisfying the equation iscalled.
Extraneous root
Solution set
Root
Exponent
Number of term in standard quadratic equation ax2 + bx + c = 0
3
2
1
4
The cancellation of x on both sides of the equation of the type ax2 = bx means the loss of one root. That root is always equal to …………………….
b
0
1
a
An equation of the form 2x4 – 5x3 + 14x2 – 5x +2 = 0 is called an:
variable equation
reciprocal equation
exponential equation
radical equation
Equation is 2x4 – 3x2 +7x2 – 3x + 2 = 0 called.
Reciprocal
xs radical
Exponential
None of these
An equation 3x +32-x + 6 = 0 is of form ______________
Radical
reciprocal
Exponential equation
None of these
The sum of x+1 and the reciprocal of x-1 is:
x/x-1
x/x+1
x/x-1
2x/x2-1
Two factors of x2 – 15x + 56 are.
(x+8)(x+7)
(x-8)(x-7)
(x+8)(x-7)
(x-8)(x+7)
If b = 0 in a quadratic equation ax2 +bx +c = 0, then it is called.
Exponential equation
Pure quadratic equation
Linear equation
Quadratic equation
Which expression is a perfect square?
x2+4x+1
x2+1/x-2
x2+4
y2-9
If y = x-1 and 3y=5, the value of x is ………….
-3/5
-5/3
3/5
5/3
Which equation has exactly two solutions?
x2+2x-1=0
2x=0
1/x-1=0
2x+3=0
If a = 0 in ax2 + bx + c =0 then equation reduces to a/ an:
linear equation
third degree equation
quadratic equation
none of these
If x2-x+1=3, then the value of 1+x-x2 is equal to:
2
None of these
-1
-3
An equation of type x4+x3+x2+x+1=0 is called a/an ….. equation.
Radical
Reciprocal
None of these
Exponential
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