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### High School Mathematics6.9 Square Roots of Algebraic Expressions Review - I

 Directions: Choose the correct answer.
 Q 1: Find the value of m and n so that x4 - 6x3 + 5x2 + mx + n is perfect square. m = 8 and n = 6m = 12 and n = 4m = 6 and n = 8m = 4 and n = 12 Q 2: Find the square root of x4 + y4 + z4 + 2x2y2 + 6x2z2 + 6y2z2.x2 + y2 - 3z2x2 + y2 + z2x2 +3 y2 + 3z2x2 + y2 + 3z2 Q 3: Find the square root of 64x2y2.8x2y8xy28xyNone of these Q 4: Find the square root of 16x2 + 24xy + 9y2.None of these4x - 3y4x + 3y3x + 4y Q 5: Find the square root of the equation x4 + 4x3 + 8x2 + 8x + 4 = 0 using division method.x2 + x + 2x2 + 2x + 2x2 + 2x - 2x2 + 2x+ 1 Q 6: Find the square root of (6x2 + 9x - 6)(2x2 + 11x + 12)(3x2 + 10x - 8).(2x + 3)(3x + 2)(x + 4)(2x + 3)(3x - 2)(x + 4)(2x - 3)(3x - 2)(x + 4)(2x + 3)(3x - 2)(x - 4) Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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