Hello, please help me to "Examine the Slope and Intercepts".

Please help me to word the answer correctly. My answer has to be in words.

I have begun my answer by saying the following: The slope of a line reflects how much the Y value varies when the X value changes by a single unit of measurement. According to our data, the slope (the change in listing price as square footage increases by one) is y =...

So far that is what I have, please help me to word this correctly and with just a little more information please. Please use the scatterplot below.

Note: The numbers for square feet should actually show as, 0, 1000, 2000, 3000, all the up to 11,000.