Challenge Question
What shape do you expect the graph to be?
Learning Targets
Developing
To be able to demonstrate how to draw quadratic graphs.
To be able to solve quadratic equations from their graphs.
Resources
Follow these links to WolframAlpha. Sketch these graphs in your book. What does these graphs have in common.
y = x^2 , y = 2x^2, y=3x^2
y = x^2 , y = (x + 2)^2, y=(x - 1)^2
y = x^3 , y = 2x^3, y=3x^3
y = x^3 , y = (x + 7)^3, y=(x - 4)^3
Plotting Quadratics with Axis (print)
Use WolframAlpha.com to check your graphs
Follow these links to WolframAlpha and remind yourself how to transform functions.
y = x^2 , y = 2x^2, y=3x^2
y = x^2 , y = (x + 2)^2, y=(x - 1)^2
y = x^3 , y = 2x^3, y=3x^3
y = x^3 , y = (x + 7)^3, y=(x - 4)^3
Follow these links to WolframAlpha and remind yourself how to transform functions.
y = x^2 , y = 2x^2, y=3x^2
y = x^2 , y = (x + 2)^2, y=(x - 1)^2
y = x^3 , y = 2x^3, y=3x^3
y = x^3 , y = (x + 7)^3, y=(x - 4)^3
Plot the graphs of these two equations on the same axis:
y=x2+2x
y = -x2
for x between -3 and 3.
What is the coordinate of the two points where these graphs cross.
Upload your answers to Showbie.
