Quadratic Equations and Parabolas
Solution 1
Adjust the slider for solution 1 until the parabolas both cut the x-axis at -2. What is the value of solution 1?
Solution 2
Now adjust the slider for solution 2 until the parabolas are exactly matched. What is the value of solution 2?
Create your own parabola
Type the following into the Algebra Input window below:
f(x) = (x-3)(x+3)
Solutions for f(x) = 0
What are the two possible solutions for f(x) = 0?
Y-intercept
Give the co-ordinates of the y-intercept of this parabola.