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Solve x2 + 8x = 33 by completing the square. Which is the solution set of the equation? {–11, 3} {–3, 11} {–4, 4} {–7, 7}

Melissa Norris

in Mathematics

1 answer

1 answer

Alexa Spicer on January 8, 2018

ANSWEREXPLANATIONThe quadratic equation given to us is to add half the square of the coefficient of both sides of the equation to obtain,This means that,in The right-hand side simplifies inthe left-hand side is a perfect square.This gives usWe take the square root of both sidesThis evaluates toWe make x the subject.We have divided the sign of the square root to obtain.The correct answer is A.

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