Quadratic Functions In Vertex Form Worksheet - Math 2200 Unit 2 Page 29

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Unit 2 – Quadratics
Math 2200
29
Example 4: Determine the value of b required to create a perfect square trinomial.
2
2
(a) x
+ bx + 1
(b) x
+ bx + 100
(IV) Converting Quadratic Functions from Standard Form to
Vertex Form by Completing the Square
Example 5: write each function in vertex form by completing the square.
2
(a)
y = x
+ 10x + 7
Process
(i)
Start with Standard form
(ii)
Group first 2 terms,
Factor out the leading
coefficient
(iii)
Complete square and balance
equation.
(iv)
rewrite using square binomial
(v)
Vertex form

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