A line that includes the point (7,0) has a slope of 1. What is its equation in slope-intercept form? Write your answer using integers, proper fractions, and improper fractions in simplest form.

Step-by-step explanation:

To write the equation of the line in slope-intercept form, use the slope-intercept formula, . Find real values for the and and substitute them into the formula.  

1) We know that represents the slope, so substitute 1 in its place.  However, we still need to find , or the y-intercept. So, along with substituting that 1 in for , substitute the x and y values for (7,0) for the x and y in the formula as well. Then, isolate to find its value:

So, = -7.  

2) Now, just substitute the found values for and into the slope-intercept formula. Remember that the slope is , so substitute 1 in, and is -7, so substitute -7 in its place as well. This gives the following equation in slope-intercept form:

or

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