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12 questions from this quiz
(x+p)2+q(x + p)^2 + q(x+p)2+q
Divide it by 2
Forgetting the adjusting number in Step 4
(x+4)2(x + 4)^2(x+4)2
(x+4)2−11(x + 4)^2 - 11(x+4)2−11
a=1a = 1a=1
Taking the square root
x=−4±11x = -4 \pm \sqrt{11}x=−4±11
c−(b2)2c - (\frac{b}{2})^2c−(2b)2
When the quadratic doesn't factorise
To make the expression equal the original
Its vertex
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