• anonymous
Hi! Please Help? :( Joyce is trying to solve the equation y = x^2 − 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 = - 8 plus or minus the square root of (8^2 - 4 * 1 * 7) all over 2 * 1. Step 2: x = - 8 plus or minus the square root of 64 - 28 all over 2 * 1. Step 3: x = - 8 plus or minus the square root of 36 all over 2 * 1. Step 4: x = - 8 plus or minus 6 all over 2. Answers: Step 1 Step 2 Step 3 Step 4
Mathematics
• Stacey Warren - Expert brainly.com
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SOLVED
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