10th Class Maths MCQ with Answers
If ?,? are the roots if 2x2 -3x + 4 = 0 then?2 + ? is equal to:
-7/4
7/4
-4/7
4/7
Cube roots of -1 are.
-1 , -?1 -?2
-1,?,?2
-1,?1,-?2
-1, -?,?2
The sum of five times a number and the square of the number is………..
5x +x2
5x2 + x
5(x+x2)
(5x+x)2
The root s of x2 + 8x + 16 = 0 are:
irrational and unequal
none of these
rational and equal
imaginary
If roots of a quadratic equation are rational and distinct, then Disc, is……..
Perfect square
Not perfect square
Negative
Zero
If roots of a quadratic equation are imaginary, and unequal, the possible value of Disc. is………………………
9
-9
0
8
If for a quadratic equation b2 – 4ac = 0, then root are.
Irrational
Complex
Distinct
Repeated
?-13 + ?-17 = ___________
?2
-1
1
?
Root of the equation of 4x2 -5x +2 = 0 are.
Rational
Imaginary
Irrational
None of these
If b2 – 4ac > 0 but not perfect square then roots of equation ax2 +bx+c = 0 are.
Irrational
Rational
Not real
None of these
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