Quadratic Functions Working With Equations Worksheet With Answers Page 2
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9Math 2 (L1-6)
A.SSE.1, 2, 3, F.IF.8, A.REI.4
Assessment Title: Finding Forms of a Quadratic Summary
Unit 3: Quadratic Functions Working with Equations
PART 2: Factored Form to Standard Form:
Use prior knowledge to simplify expression, and write terms in descending order.
Factored Form
y = 3(x – 2)(x – 1)
2
y = 3(x
– x – 2x + 2)
Multiply (x – 2)(x – 1) using Distributive Property.
2
y = 3(x
– 3x + 2)
Simplify.
2
Standard Form
y = 3x
– 9x + 6
Distribute 3.
TRY IT OUT: Write quadratic function in standard form.
1.
y = -2(x + 2)(x – 1)
2.
y = (x + 4)(x + 3)
y-intercept: ( ________ , ________)
y-intercept: ( ________ , ________)
3.
y = 3(2x – 1)(x – 1)
4.
y = (5x + 1)(x - 3)
y-intercept: ( ________ , ________)
y-intercept: ( ________ , ________)
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