
Home > A2C > Chapter 4 > Lesson 4.1.2 > Problem 4-26
4-26.
Your friend is taking an algebra class at a different school where she is not allowed to use a graphing calculator. Explain to her how she can get a good sketch of the graph o
Be sure to explain how to locate the vertex, whether the parabola should open up or down, and how its shape is related to the shape of the graph of
. The graph has a vertex at
, opens up, and is vertically stretched. Your friend also needs to know the x- and y-intercepts. Show her how to find them without having to draw an accurate graph or use a graphing calculator.
Refer to problem A2C 4-19.