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Higher June 2018 Unit 2 Q12

WJECHigherCurrent spec4 marksSolving Quadratics

12. Five quadratic equations are listed below.
Draw a line connecting each equation to its solution.
One has been completed for you. [4]

Five equations on the left: x squared - 4 = 0 (already joined to x = 2, x = -2), x(2x + 3) = 0, (x - 1)(2x - 3) = 0, (2x - 3)(2x + 3) = 0, (4x + 9) squared = 0. Fourteen solutions on the right: x = 1, x = -3/2; x = 2, x = -2; x = 1, x = 3/2; x = 4/9; x = -1, x = -2/3; x = -2/3, x = 2/3; x = 3/2, x = -3/2; x = 1, x = -2/3; x = -9/4; x = 0, x = 2/3; x = 81/16; x = 0, x = -3/2; x = 3/2; x = -9/4, x = 0
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