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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

1. Quadratic Graphs and Their Properties

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Exercise 21 Page 550

Make a table of values and connect the points with a parabola.

Graph:

Practice makes perfect

We want to graph the given quadratic function. y=x^2-7

To do so, we will first make a table of values.

x	x^2-7	y=x^2-7
0	0^2-7	-7
2	3^2-7	2
4	4^2-7	9

Note that since the given function has the form y=ax^2+c the axis of symmetry is the vertical line x= 0. Now, let's plot the obtained points and their reflections across the axis of symmetry. Then we can connect them with a parabola.

Subchapter links

Lesson Check p.549

Practice and Problem-Solving Exercises p.550-552

Standardized Test Prep p.552

Mixed Review p.552