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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 9x4 + 6x2y2 + y4.
3x2 + 2y2
3x + y
3x2 + y2

 Q 2: Find the sum of the roots of 12x2 - x - 1 = 0.
-1/12
12
-12
1/12

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

 Q 4: Find the square root of
(x2 - x - 72)(x2 + x - 56)(x2 - 16x + 63).
(x + 9)(x -7)(x + 8)
(x - 9)(x -7)(x - 8)
(x - 9)(x -7)(x + 8)
(x - 9)(x +7)(x + 8)

Q 5: Find the square root of the equation 4x4 + 8x3 + 9x2 + 4x + 4 = 0 using undetermind method.
2x2 + x + 1
2x2 + x + 2
2x2 - x + 2
2x2 + 2x + 2

 Q 6: Find the square root of 25x4 + 40x3 - 242 - 32x + 16.
5x2 + 4x - 4
5x2 - 4x + 4
5x2 + 4x + 4

Q 7: f(x) = 2x2 + 3x + 1, then f(3x) = _____.
18x2 + 9x + 3
18x2 - 9x + 1
18x2 + 9x + 1

 Q 8: Find the square root of 16x4 + 16x3 + 12x2 + 4x + 1.
4x2 + 2x + 1
4x2 + 2x - 1
4x2 - 2x - 1

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 Question 10: This question is available to subscribers only!


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