Quadratic Functions
Grade 8•45 minutes
Learning Objective
I can identify quadratic functions from equations and graphs.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Which of the following equations represents a quadratic function? Explain your reasoning. a) y = 3x + 1 b) y = x² - 2x + 5 c) y = x³ + 2 d) y = 2ˣ
2. Describe the general shape of a quadratic graph.
3. How can you determine whether a quadratic graph opens upwards or downwards just by looking at its equation?
...and 4 more questions
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