It is: 2*10-3 = 17
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3.5 x 2 -10 = -3
It is either 2|x| - 3 or 2|x-3| depending on if the minus three is part of the absolute value.
He has to1) subtract MINUS 7 for y'2) Use MINUS 3 and MINUS 5 for x and x'He incorrectly wrote this(y - y') / (x - x')like this:(10 - 7) / 3 + 5)He should have written this:(10 - (-7)) / (-3 -5)This comes out to(10 + 7) / (- 3 -5)17 / - 8Correct answer:Slope = 17 / - 8
3x^2 - 27 = = 3(x^2 - 9) = 3(x^2 - 3^2) = 3(x - 3)(x + 3)
X squared - 3x - 10 = 0 (x-5) (x+2) = 0 x - 5 = 0 x + 2 = 0 X= 5 x = -2