Posted by **Crystal** on Saturday, February 20, 2010 at 6:52pm.

State whether the given equation represents a linear, quadratic, or exponential function. Tell how you decided.

y = -8x2 + 4

- Math -
**PsyDAG**, Sunday, February 21, 2010 at 8:49am
If the 2 is an exponent, it is indicated online as

y = -8x^2 + 4 where x^2 = x squared

Does that give you a hint?

- Math -
**Crystal**, Sunday, February 21, 2010 at 6:37pm
I think I understand better. Thanks for your help. I think it is a quadratic function. Is this correct?

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