Choose the equation of the line passing through the point (2, 6) and parallel to y = -3x - 4.
y = 3x - 12
y = -3x
y = -3x + 12
y = 3x
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OpenStudy (anonymous):
@skullpatrol
OpenStudy (anonymous):
@Nnesha
Nnesha (nnesha):
parallel lines shuld have same slope
Nnesha (nnesha):
y=-3x-4 do you know what is slope in this equation ?
Nnesha (nnesha):
y = mx+b
here m is slope which is always with x and b is -intercept
what is m in this equation y = -3x - 4
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OpenStudy (anonymous):
-3
OpenStudy (anonymous):
@Nnesha
Nnesha (nnesha):
yes right so like i said before parallel lines have same slope
so look at your answer choices and see which other equation have -3 slope
OpenStudy (anonymous):
b and c? @Nnesha
Nnesha (nnesha):
yes you can cancel out A and d
okay so now you have to use order pair
y=mx+b
m is -3 so you can wirte it as
y = -3x +b
( 2,6) <---use this order pair where first number is x and 2nd one is y
(x,y)
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Nnesha (nnesha):
replace x and y by their values into this equation y=-3x+b
and then solve for b
OpenStudy (anonymous):
ok @Nnesha
Nnesha (nnesha):
|dw:1423924648172:dw|
can u substitute x and y values into equation