# Graph y equals three x plus seven

The slope-intercept form is , where is the slope and is the y-intercept.

Find the values of and using the form .

The value of is the gradient of the line, and the y-intercept is the value of .

Slope:

y-intercept:

Slope:

y-intercept:

Choose to substitute in for to find the ordered pair.

Replace the variable with in the expression.

Clarify the result.

First, multiply by .

Sum and .

The final answer is .

The value at is .

Choose to substitute in for to find the ordered pair.

Replace the variable with in the expression.

Clarify the result.

Multiply by .

Add and .

The result is .

The value at is .

Create a table of the and values.

Plot the line with the slope and the y-intercept, or the points.

Slope:

y-intercept:

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