Mathematics
Mathematics, 23.07.2019 17:10, FARHAN14082000

Last one > joyce is trying to solve the equation y = x2 − 8x + 7 using the quadratic formula. she has made an error in one of the steps below. find the step where joyce went wrong. step 1: x equals negative 8 plus or minus the square root of the quantity eight squared minus four times one times seven, end quantity, all over two times one. step 2: x equals negative 8 plus or minus the square root of sixty-four minus twenty-eight all over two times one. step 3: x equals negative 8 plus or minus the square root of thirty-six all over two times one. step 4: x equals negative 8 plus or minus six all over two. step 1 step 2 step 3 step 4

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Last one > joyce is trying to solve the equation y = x2 − 8x + 7 using the quadratic formula. sh...

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