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Mathematics 16 Online
OpenStudy (hellokitty17):

Medal here!!!

OpenStudy (anonymous):

questions?

oregonduck (oregonduck):

ONE SECOND PLZ

oregonduck (oregonduck):

WE ARE HAVING TECH DIFFICULTIES

OpenStudy (anonymous):

k

oregonduck (oregonduck):

lol

OpenStudy (anonymous):

you should report a bug

OpenStudy (hellokitty17):

Harry is trying to solve the equation y = 2x2 − x − 6 using the quadratic formula. He has made an error in one of the steps below. Find the step where Harry went wrong. Step 1: x equals the negative of negative 1 plus or minus the square root of the quantity negative one squared minus 4 times 2 times negative six, end quantity, all over 2 times 2. Step 2: x equals the negative of negative 1 plus or minus the square root of negative one plus forty-eight all over two times 2. Step 3: x equals the negative of negative 1 plus or minus the square root of forty-seven all over two times 2. Step 4: x equals 1 plus or minus the square root of forty-seven all over 4. a. Step 1 b.Step 2 c.Step 3 d. Step 4 --------------------------------------------------------------------------------

OpenStudy (anonymous):

he did -1, should have been 1 (positive)

oregonduck (oregonduck):

It is in step 2 he made a mistake. Harry calculated (−1)2=−1 when he should have calculated (−1)2=1

OpenStudy (anonymous):

@OregonDuck https://www.youtube.com/watch?v=CXfpJCDkkPg

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