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OpenStudy (anonymous):
What are the solutions to the following system of equations? Select the correct answer below. y = x2 − 2x + 4 8x + y = 20 (2,84) and (-8,4) (-8,2) and (84,4) (2,4) and (-8,84) (4,-8) and (84,2)
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OpenStudy (anonymous):
@retirEEd help?
OpenStudy (retireed):
Does the first equation start with "x squared" ?
OpenStudy (anonymous):
yes
OpenStudy (retireed):
Okay thanks let solve it first so I know what to do.
OpenStudy (anonymous):
How would I solve it?
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OpenStudy (phi):
you could graph both equations and see where they cross
OpenStudy (retireed):
First I would set the two equation equal to each other by eliminating the y
OpenStudy (phi):
or, use the 2nd equation in the form y= -8x+20 and replace y in the first equation with -8x+20
OpenStudy (retireed):
What phi said.
OpenStudy (anonymous):
ohhh I understand now thank you :)
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