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Mathematics 8 Online
OpenStudy (anonymous):

@Luigi0210

OpenStudy (anonymous):

OpenStudy (luigi0210):

I doubt you wanna try by plugging in values? :3

OpenStudy (anonymous):

plug them in as x, y right?

OpenStudy (luigi0210):

yup, or you could graph and see what values fall within

OpenStudy (anonymous):

ooo ok

OpenStudy (anonymous):

i got a idk if im right

OpenStudy (luigi0210):

Well let's see: -6(5)^2+20(5)-17>5 -150+100-17>5 -50-17>5 -67>5 Is that a true statement?

OpenStudy (luigi0210):

Here's a graph:

OpenStudy (anonymous):

no

OpenStudy (luigi0210):

Look at the graph and at your answer choices, are any of those inside the shaded region?

OpenStudy (anonymous):

d?

OpenStudy (luigi0210):

Yup! And to prove it: -6(2)^2+20(2)-17>-2 -6(4)+40-17>-2 -24+40-17>-2 -1>-2 True or no?

OpenStudy (anonymous):

yes but its not one of the choices

OpenStudy (anonymous):

ooo ok

OpenStudy (luigi0210):

:)

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