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High School Mathematics
6.20 Square Roots of Algebraic Expressions Review - II

Square roots of Algebraic Expressions Review Test

Q 1: Find the square root of 64x2y2.
8xy2
8x2y
None of these
8xy

Q 2: Solve, 6x2 + 9x - 6 = 0.
-3/2 and 2/3
3/2 and -2/3
-3/2 and -2/3
3/2 and 2/3

Q 3: Find the square root of 225x4.
15x3
15x
15x2

Q 4: Solve, x2 - 4x - 21 = 0.
-3 and 7
-3 and -7
3 and -7
3 and 7

Q 5: Find the square root of 9x4 + 6x2y2 + y4.
3x2 + y2
3x2 + 2y2
3x + y

Q 6: Find the nature of the roots of the equation 3x2 - 12x + 7 = 0.
Complex and distinct
Real and equal
Real and distinct

Q 7: Find the square root of 16x2 - 8xy + y2.
4x - y2
4x2 - y
4x - y

Q 8: Solve, 3x2 - 4x - 6 = 0.
-2/3 and -3
2/3 and 3
2/3 and -3
-2/3 and 3

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Question 10: This question is available to subscribers only!


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