fixxyafac fixxyafac

09-04-2021
Mathematics

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Determine if the graph of the function opens up or down. Explain how you know

Determine if the graph of the function opens up or down Explain how you know class=

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bleubillet bleubillet

09-04-2021

Answer:

Opens up

Step-by-step explanation:

x^2+2x-15

Standard form: ax^2+bx+c

If a<0, then the graph opens down

If a>0, then the graph opens up.

In this case: 1x^2+2x-15

a=1

Since 1>0 then the graph opens up.

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