Pre-Calculus 11: Unit 5, Lesson 2

Continuing with parabola transformations. The value of "a" gives us information regarding expansions (stretches) and compressions.

**NOTE: There is a mistake in this video. In the first parabola for example 3, the vertex is (1, -4), NOT (-1, -4). So the final equation for the parabola is y = 2(x-1)^2 - 4