Points A and B lie on the graph of the equation y = 7x.
What are the y-coordinates for each point?
Point A: (−2, ) Point B: (4, )
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OpenStudy (anonymous):
plz help
OpenStudy (anonymous):
just input your x values into you equation of y=7x then solve for y
OpenStudy (anonymous):
so 7 times -2 is -14
OpenStudy (anonymous):
so for both its -14?
OpenStudy (anonymous):
no, ok so lets start with point A
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OpenStudy (anonymous):
ok
OpenStudy (anonymous):
so you are given (-2, y) where you dont know what y is but you do know your x value of -2
OpenStudy (anonymous):
ok ok continue........
OpenStudy (anonymous):
so input -2 into your equation of y= 7x which becomes y=7(-2)
OpenStudy (anonymous):
which y=-14
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OpenStudy (anonymous):
so your coordinate is -2,-14
OpenStudy (anonymous):
for b) you do the same thing
OpenStudy (anonymous):
input 4 into 7(x)
OpenStudy (anonymous):
to get y
OpenStudy (anonymous):
oh ok let me try this and ill get back to you
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OpenStudy (anonymous):
yep just tag me :)
OpenStudy (anonymous):
its 28 right?
OpenStudy (anonymous):
mhmm
OpenStudy (anonymous):
THANK YOU THANK YOU SO MUCH
OpenStudy (anonymous):
YO
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OpenStudy (anonymous):
Cora is graphing the equation . She has placed a point on the origin, and uses the slope to find 2 more points.
Which points does Cora plot on her graph?
Choose exactly two answers that are correct.
A.
(−1, −12)
B.
(−12, −1)
C.
(1, 12)
D.
(12, 1)