10th Class Math Chapter 2 MCQs fbise Solved Questions
Looking for the authentic 10th Class Math Chapter 2 MCQs fbise with complete solutions? In this post, we provide the solved multiple-choice questions based on the new textbook syllabus.
Tick the correct option.
(i)
Which of the following in a quadratic equation?
$$(a)\;ax+b=c\\(b)\;ax^2+bx+c\\(c)\;ax^2+bx+c=0,\;a\neq0\\(d)\;ax^2+bx+c=0,\;a=0$$
Correct option is (c)
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(ii)
How many roots of (x-3)(x-2)=6 exist?
(a) no
(b) 0
(c) 1
(d) 2
Correct option is (d)
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(iii)
What should be added to
$$x^2\;+\;x$$
to make it a complete square?
(a) 1
(b) 1/4
(c) 1/2
(d) 4
Correct option is (b)
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(iv)
Solution set of
$$x^2\;-\;4=0$$
is:
(a) {0. 4}
(b) {2, -2}
(c) {4, -4}
(d) { }
Correct option is (b)
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(v)
Roots of the equation
$${(x-1)}^2=9$$
are:
(a) -2, 4
(b) 2, 4
(c) -4, 2
(d) -2, -4
Correct option is (a)
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(vi)
Solution set of
$$2^{2x}\;-\;2^{x+1}+1=0?$$
(a) {0}
(b) {1}
(c) {0, 1}
(d) {0, -1}
Correct option is (a)
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(vii)
Solution set of
$$x+\frac1x=2$$
is:
(a) {0}
(b) {-1}
(c) {-1, 1}
(d) {1}
Correct option is (d)
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(viii)
Which of the following is a reciprocal equation?
$$(a)\;x^2+2x+2=0\\(b)\;x^4+x^3+x^2+x+1=0\\(c)\;\sqrt{2x+3}\;=0\\(d)\;x^4+2x^3+x^2+4x=0$$
Correct option is (b)
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(ix)
2 and -3 are roots of:
(a) (x – 2 )(x – 3)=0
(b) (x + 2)(x + 3)=0
(c) (x – 2)(x + 3)=0
(d) (x + 2)(x – 3)=0
Correct option is (c)
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(x)
The discriminant of
$$ax^2+bx+c=0$$
is:
$$(a)\;b^2\;+\;4ac\\(b)\;b^2\;-\;4ac\\(c)\;4ac\;-\;b^2\\(d)\;-b^2\;-\;4ac$$
Correct option is (b)
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(xi)
If
$$S_1,\;S_2\;are\;the\;roots\;of\;\\ax^2+bx+c=0,$$
then sum of roots is:
$$(a)\;\frac ca\\(b)\;\frac ac\\(c)\;\frac{-b}a\\(d)\;\frac ab$$
Correct option is (c)
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(xii)
Roots of the equations
$$x^2-5x+5=0$$
are:
(a) Imaginary
(b) rational
(c) equal
(d) irrational
Correct option is (d)
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(xiii)
Sum and product of roots of a quadratic equation are respectively 2 and 5. The equation is:
$$(a)\;x^2-2x+5=0\\(b)\;x^2+2x+5=0\\(c)\;x^2-2x-5=0\\(d)\;x^2+2x-5=0$$
Correct option is (a)
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