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### High School Mathematics6.20 Square Roots of Algebraic Expressions Review - II

 Square roots of Algebraic Expressions Review Test
 Q 1: Solve, x2 - x - 20 = 0.4 and -5-4 and 54 and 5-4 and -5 Q 2: Expand, å a2b. (Variables 'a' and 'b')a2b + b2aa2bb2aa2b + ba Q 3: Find the nature of the roots of the equation x2 - 7x + 3 = 0.Real and equalComplex and distinctReal and distinct Q 4: Find the square root of x2 + 9y2 + 4z2 - 6xy + -12yz + 4xz.x - 3y + 2zx + 3y + 2zx + 3y - 2x Q 5: Find the quadratic equation whose roots are 6 and 3.x2 - 9x + 18x2 - 9x - 18x2 - 9x + 9x2 + 9x + 18 Q 6: Find the square root of 4x4 + 12x3 + 17x2 + 2x + 4.2x2 + 3x + 22x2 + 3x - 22x2 - 3x + 22x2 - 3x - 2 Q 7: What is the first degree expression to be subtracted from 4x4 + 8x3 - 8x2 - 9x + 11.2x + 32x + 43x + 22x - 4 Q 8: If one root of 3x2 - (10+a)x + 10 = 0 is 5 find the value of a.6754 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!