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Mathematics 11 Online
OpenStudy (1645323):

find the zero of this equation:y=-x^2-6x-9

OpenStudy (anonymous):

The zero is "-3"

OpenStudy (1645323):

and that's the only one?

OpenStudy (anonymous):

If you graph it here: https://www.desmos.com/calculator You will get an x-intercept of -3.

OpenStudy (anonymous):

Yes, the Vertex touches the x-axis at -3.

OpenStudy (1645323):

ok

OpenStudy (anonymous):

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