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?

Now adjust the slider for solution 2 until the parabolas are exactly matched. What is the value of solution 2?

Type the following into the Algebra Input window below: f(x) = (x-3)(x+3)

What are the two possible solutions for f(x) = 0?

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Give the co-ordinates of the y-intercept of this parabola.

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