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MCQ Questions for CBSE Class 12 with Answers
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MCQ Questions for CBSE Class 8 with Answers
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Quiz
CBSE
/
Class 8
/
Maths
/
Factorisation
1.
The factorisation of 3x² + 10x + 8 is
(3x + 4)(x + 2)
(3x - 4)(x - 2)
(3x + 4)(x - 2)
(3x - 4)(x + 2)
2.
The factorisation of 3x² - 16x + 16 is
(x - 4)(3x - 4)
(x + 4)(3x + 4)
(x - 4)(3x + 4)
(x + 4)(3x - 4)
3.
The factorisation of 6x² - 5x - 6 is
(2x - 3)(3x + 2)
(2x + 3)(3x + 2)
(2x - 3)(3x - 2)
(2x + 3)(3x - 2)
4.
The factorisation of 6 - x - 2x² is
(2 + x)(3 - 2x)
(2 + x)(3 + 2x)
(2 - x)(3 - 2x)
(2 - x)(3 + 2x)
5.
If x² - x - 42 = (x + k)(x + 6), then k =
6
-6
7
-7
6.
The value of 3.5 × 3.5 - 2.5 × 2.5 is
-6
6
60
1
7.
If (x - \(\frac{1}{x}\))² = x² + a + \(\frac{1}{x^2}\) then a =
-2
2
2x
-2x
8.
If x = 2, y = -1 then the value of x² -+ 4xy + 4y² is
0
1
-1
2
9.
The quotient of 28x² + 14x is
2
2x
x
x²
10.
The quotient of 12a
^{8}
b
^{8}
+ (- a
^{6}
b
^{6}
) is
3a²b²
3a²b
3ab²
-3a²b²
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