Pre-Algebra Examples

Graph r(t)=1+4t
Step 1
Rewrite the function as an equation.
Step 2
Reorder and .
Step 3
Use the slope-intercept form to find the slope and y-intercept.
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Step 3.1
The slope-intercept form is , where is the slope and is the y-intercept.
Step 3.2
Find the values of and using the form .
Step 3.3
The slope of the line is the value of , and the y-intercept is the value of .
Slope:
y-intercept:
Slope:
y-intercept:
Step 4
Any line can be graphed using two points. Select two values, and plug them into the equation to find the corresponding values.
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Step 4.1
Reorder and .
Step 4.2
Create a table of the and values.
Step 5
Graph the line using the slope and the y-intercept, or the points.
Slope:
y-intercept:
Step 6