Graphing Quadratic Equations
Grade 10th Grade · Math · 90 min
What's Included
Learning Objective
I can graph quadratic functions of the form f(x)=ax² and describe how the 'a' value affects the shape of the graph.
Warm-Up Video
Khan Academy · 7:03
Graphing a parabola with a table of values | Quadratic equations | Algebra I | Khan Academy
Guided Notes
3 key concepts
- 1
The graph of f(x) = -3x² + 8 will be a parabola because the highest degree term is x².
- 2
Because the coefficient on the x² term is negative, the parabola will open downwards.
- 3
When x = 0, f(x) = 8, so the y-intercept, where x = 0, is at the point (0, 8).
Practice Questions
12 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Graph the quadratic functions f(x)=x² and f(x)=3x² on the same coordinate plane. How does the change in the 'a' value affect the shape of the graph?”
Complete Lesson Package
Get all 3 ready-to-use resources:
