Graphing Quadratic Functions
Grade 8•45 minutes
Learning Objective
I can graph a quadratic function by plotting key features such as the vertex and intercepts.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. What are the x-intercepts of the quadratic function y = 5x² - 20x + 15? Show your work.
2. Explain how to find the vertex of the quadratic function y = 5x² - 20x + 15. What are the coordinates of the vertex?
3. Describe the process of factoring the quadratic equation 5x² - 20x + 15 to find its roots. What steps did you take?
...and 4 more questions
Educational Video
Graphing a parabola using roots and vertex | Quadratic equations | Algebra I | Khan Academy
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