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Section P.1 – Graphs and Models

Section P.1 – Graphs and Models. How to Graph. Make a table to graph y = x 2 + 2. Only use a ruler if the relation is linear. -5. 27. -4. 18. Use your knowledge of relations and functions to make sure you pick values of x that make a complete graph. -3. 11. -2. 6. -1. 3. 0.

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Section P.1 – Graphs and Models

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  1. Section P.1 – Graphs and Models

  2. How to Graph Make a table to graph y = x2 + 2 Only use a ruler if the relation is linear. -5 27 -4 18 Use your knowledge of relations and functions to make sure you pick values of x that make a complete graph. -3 11 -2 6 -1 3 0 2 1 3 2 6 3 11 4 18 You do not need to plot every point, but make sure to get the complete graph. 5 27

  3. Definitions

  4. Types of Symmetry With Respect to the… y-axis x-axis origin Tests… Replacing x in the equation by –x yields an equivalent equation. Replacing y in the equation by –y yields an equivalent equation. Replacing x in the equation by –x and y by –y yields an equivalent equation.

  5. Example of Symmetry Test for symmetry in the equation . Test by Replacing x in the equation by –x. Check out the graph first. An equivalent equation. The equation is symmetric with respect to the y-axis.

  6. System of Equations Example Solve the following system of equation algebraically: Both equations equal y. Set them equal to each other.

  7. System of Equations Example Solve the following system of equation algebraically: The two lines are parallel. They never intersect. FALSE No Solution.

  8. System of Equations Example Solve the following system of equation algebraically:

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