The equation x^(2)+2x-8=0 has two solutions A and B where A=B=A and A= and B= Give your answers to 3 decimal places, or as exact expressions. The equation 2+2x - 8=0 has two solutions A and Bwhere A< B andA= andB= Give your answers to 3 decimal places,or as exact expressions
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Using the quadratic formula: x = (-b ± √(b^2 - 4ac)) / 2a where a = 1, b = 2, and c = -8 x = (-2 ± √(2^2 - 4*1*(-8))) / 2*1 x = (-2 ± √(4 + 32)) / 2 x = (-2 ± √36) / 2 x = (-2 ± 6) / 2 x = (4 or -8) / 2 x = 2 or -4 Therefore, A Show more…
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