Quadratic Functions
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Objective
I can identify quadratic functions from equations and graphs.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
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
Describe the general shape of a quadratic graph.
Part 3 of 3
Exit ticket
Quick comprehension check
“Which of the following equations represents a quadratic function: y = 5x + 2, y = x² - 3, or y = x³ + 1? Explain your answer. Does the equation y = -2x² + 5x - 1 represent a quadratic function? If so, will its graph open upwards or downwards? Explain your answer. Which of the following graphs could represent a quadratic function: a straight line, a U-shaped curve, or a V-shaped curve? Explain your answer.”
Sample answer included in the free materials
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Teacher Guide
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