SOLUTION: we need to come up with an equation based on a set of coordinates. The "x" coordinates are: 0,1,2,3,100. All the y coordinates are 3. How do we solve this?

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Question 222227: we need to come up with an equation based on a set of coordinates. The "x" coordinates are: 0,1,2,3,100. All the y coordinates are 3. How do we solve this?
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Pick any two of the points given. Let's use (0,3) and (3,3). Let's calculate the slope of the line:





Notice that no matter which pair of points you select, you will have a numerator of zero in the slope fraction, hence the slope is zero.

The line intersects the -axis at (0,3), hence the -intercept is 3.

Now we can use the slope-intercept form of the equation of a line to write the equation:





or more simply:




John


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