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When Scott completes the square on the quadratic x2 + 8x - 1 = 0, he obtains an equation of the form(x + a)= b . What is b?

 Jul 5, 2018
 #1
avatar+164 
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(x+4)^2 makes x^2+8x+16 so it will be (x+4)^2-16-1=0 which means (x+4)^2=17. b=17

 Jul 5, 2018

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