Conic Sections: Parabolas

think icon Think & Click: Writing the Equation of a Parabola

Now, you try. Complete the Think & Click activity by looking at each problem below, thinking about it, and then clicking on the question to reveal the solution.

Find the equation of the parabola with vertex (0, 0) and focus (-2, 0).
 
x equals negative one-eighth y squared
 
Find the equation of the parabola with vertex (2, -3) and focus (2, 1).
 
y plus 3 equals one-sixteenth times the quantity x minus 2 squared