# Graph y=3x-5 y=3x-5
Use the slope-intercept form to find the slope and y-intercept.
The slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept.
y=mx+b
Find the values of m and b using the form y=mx+b.
m=3
b=-5
The slope of the line is the value of m, and the y-intercept is the value of b.
Slope: 3
y-intercept: -5
Slope: 3
y-intercept: -5
Any line can be graphed using two points. Select two x values, and plug them into the equation to find the corresponding y values.
Choose 1 to substitute in for x to find the ordered pair.
Replace the variable x with 1 in the expression.
f(1)=3(1)-5
Simplify the result.
Multiply 3 by 1.
f(1)=3-5
Subtract 5 from 3.
f(1)=-2
The final answer is -2.
-2
-2
The y value at x=1 is -2.
y=-2
y=-2
Choose 2 to substitute in for x to find the ordered pair.
Replace the variable x with 2 in the expression.
f(2)=3(2)-5
Simplify the result.
Multiply 3 by 2.
f(2)=6-5
Subtract 5 from 6.
f(2)=1
The final answer is 1.
1
1
The y value at x=2 is 1.
y=1
y=1
Create a table of the x and y values.
xy1-221
xy1-221
Graph the line using the slope and the y-intercept, or the points.
Slope: 3
y-intercept: -5
xy1-221
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