Posted by **Emma** on Saturday, June 28, 2014 at 10:27pm.

Mary creates a table of values for a function and plots the points. She finds that the difference in the y values is the same. What kind of function did she graph?

How can you tell if a graph is linear, quadratic, exponential or square root?

- Algebra -
**Damon**, Sunday, June 29, 2014 at 11:41am
If the difference in x values is constant and the difference in y values is constant then the slope is constant and we have a straight line.

- Algebra -
**Damon**, Sunday, June 29, 2014 at 11:45am
quadratic is a parabola with one vertex

exponential curves one way

like y = e^x curves up

sqrt slope becomes smaller and smaller

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