Mathematics, 23.12.2019 23:31, edramirez1914
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
Answers: 1
Mathematics, 22.06.2019 00:00, sarahmolina246
Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!
Answers: 1
Mathematics, 22.06.2019 00:30, katherineedwards1105
Jan accidently ran 7 minutes longer than he was supposed to. write an expression for the total amount of time jan ran if she was supposed to run m minutes
Answers: 1
Joyce is trying to solve the equation y = x2 − 8x + 7 using the quadratic formula. she has made an e...
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