Shift and Stretch

Students describe what the values of `a` and `k` in `y=ax^{2}+k` tell us about a parabola, and use that understanding to write equations for quadratic functions with translations and stretches.

By Desmos Classroom

Learning goals: Learning Goals  • Describe the effect of vertical translations and stretches on the graph of a quadratic function. • Write equations of the form `y=ax^{2}+k` to model a quadratic function.