Module 2 Review. Put each equation into factored form. 1. y = x 2 + 4x – 12 2. y = x 2 – 4x – 12 3. y = x 2 + 8x + 12 4. y = x 2 – 8x + 12.

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Presentation transcript:

Module 2 Review

Put each equation into factored form. 1. y = x 2 + 4x – y = x 2 – 4x – y = x 2 + 8x y = x 2 – 8x + 12

Put each equation into vertex form. 1. y = x 2 + 4x – y = x 2 – 4x – y = x 2 + 8x y = x 2 – 8x + 12

Which is the correct factored form of y = x 2 + 5x - 14 a. y = (x + 2)(x – 7) b. y = (x – 2)(x – 7) c. y = (x – 2)(x + 7) d. y = (2x + 5)(x + 7)

Which expression is NOT equivalent to y = 2(x – 1)(x – 3) a. y = (x – 1)(2x – 6) b. y = (2x – 2)(x – 3) c. y = (1/2x – ½)(1/2x – 3/2) d. y = 2x 2 – 8x + 6

Where is the vertex of the equation y = x 2 – 10x + 16 a. (-2, -8) b. (5, -9) c. (3, -13) d. (-5, 9)

Using the equation y = (x – 3)(x + 5), find the following information: a. Standard Form of the equation: a. y-intercept: a. x-intercept:

Using the equation y = (x – 1) 2 – 4, find the following information. a. What form is the given equation written in? b. Vertex: c. Factored Form of the equation:

Write a quadratic equation in each form that has a vertex of (-4, -4) where the vertex is a minimum a. Vertex Form Equation: b. Standard Form Equation: c. Factored Form Equation:

Give an example of a vertex form equation, tell me what is the easiest thing to find from vertex form and explain how you’d find it. Equation: ______ Easy to find: ______ Explain how you’d find it:

Give an example of a standard form equation, tell me what is the easiest thing to find from standard form and explain how you’d find it. Equation: _________ Easy to find: _________ How are you going to find it?

Give an example of a factored form equation, tell me what is the easiest thing to find from factored form and explain how you’d find it. Equation: ________ Easy to find: ________ How are you going to find it?