We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
369
1
avatar+169 

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+452 
+3

(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

13 Online Users