Parabolas Lesson 2 Episode 5 Repeating Your Reasoning No captions CaptionsStop the video above first if it is playing. No captions CaptionsStop the video above first if it is playing. Sasha and Keoni find the x-value of a point on the parabola with a y-value of 10. Previous Episode Lesson 3 Episode 1 Home Units Parabolas Lesson 2