Graphing Quadratic Equations From All Forms (Page 3 of 3) in pdf

Graphing Quadratic Equations From All Forms Page 3

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Graphing Quadratic Equations from All Forms

Use your work above to answer these questions. Write in complete sentences.

1. How is the y-intercept related to the standard form?

2. How do you see the y-intercept in the table?

3. How do you see the vertex in the table?

4. How are the x-intercepts related to the factored form?

5. How do you see the solutions in the table?

6. Suppose you are given the table to the right for the equation y = x

+6x+8.

-5

From the table, identify: solutions, y-intercept, and vertex. Explain how you know for each.

-4

-3

-1

-2

-1

7. Suppose this is a graph you are given for a quadratic equation.

What would be the factored form for the graph? (Each mark is 1

unit).

8. Look at the graph to the right.

a) What is the factored form? _____________________

b) What is the vertex form? ______________________

c) What is the standard form? _____________________

9. Look at the graph to the right.

a) What is the factored form? _____________________

b) What is the vertex form? ______________________

c) What is the standard form? _____________________

Graphing Quadratic Equations From All Forms Page 3