Posted by **Sharday** on Tuesday, November 1, 2011 at 3:00am.

Given the linear equation y = 4x + 2, find the y-coordinates of the points (-2, ), (1, ), and (-3, ). Please show all of your work. Plot these points and graph the linear equation.

- algebra -
**Jai**, Tuesday, November 1, 2011 at 5:06am
to get the y-coordinates, we just substitute the value of the x-coordinates given.

at x = -2:

y = 4x + 2

y = 4(-2) + 2

y = -8 + 2

y = -6

thus (-2, -6)

at x = 1:

y = 4x + 2

y = 4(1) + 2

y = 4 + 2

y = 6

thus (1, 6)

at x = -3:

y = 4x + 2

y = 4(-3) + 2

y = -12 + 2

y = -10

thus (-3, -10)

to plot this, you locate all the points we solved above. then connect these points and extend on both ends.

hope this helps~ :)

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