SOLUTION: y=2/3x -3 i know this is in y=m (x) + b but i don't know where to start.

Question 52254: y=2/3x -3
i know this is in y=m (x) + b but i don't know where to start.
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
y= 2/3x -3 [This is in the slope-intercept form of a line: y=mx+b]
y=any value of y on the line
m=the slope of the line
x=any corresponding value of x on the line
b=the y-intercept--where the line crosses the y-axis
.
So, plot the the y=intercept at coordinate point (0, -3). Starting at (0,-3) and using the slope of (+2/+3), move up 2 spaces and move 3 spaces to the right. Plot this point. Starting over at (0, -3), and using the slope of (-2/-3), move down 2 spaces and 3 spaces to the left. Plot this point. Connect the dots for the representation of the line.
.
To find where the line crosses the x-axis, let y=0 and solve for x:
y=2/3x -3
0=2/3x -3
3=2/3x
9/2=x
So, the x-intercept = (9/2, 0)

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