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Mathematics 9 Online
OpenStudy (anonymous):

Use integer values of x from -3 to 3 to graph the equation. y=-2x^2+3

OpenStudy (welshfella):

there's no x in your equation..

OpenStudy (anonymous):

a.

OpenStudy (anonymous):

b.

OpenStudy (anonymous):

c.

OpenStudy (anonymous):

d.

OpenStudy (afrodiddle):

D.

OpenStudy (welshfella):

because the term in x^2 is negative the graph will open downwards and have a maximum value

OpenStudy (welshfella):

no not d

OpenStudy (afrodiddle):

wait...

OpenStudy (anonymous):

???

OpenStudy (afrodiddle):

I'm double checking.

OpenStudy (welshfella):

the maximum value of y will be when x = 0 so y = -2(0)^2 + 3

OpenStudy (afrodiddle):

Sorry, I did not see the negative in -2

OpenStudy (afrodiddle):

the top point is (0,3)

OpenStudy (welshfella):

right

OpenStudy (afrodiddle):

It's A.

OpenStudy (welshfella):

thats right

OpenStudy (anonymous):

okay thanks! too both of you @Afrodiddle and @welshfella

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