1. The slope intercept form is:
Where 
is the slope of the line and 
is the intercept with the y-axis.
2. To calculate the slope, you can use the following formula:
Where:
3. So:
4. Now you must find . Substitute any of the given points into the equation and solve for :
5. Therefore, the answer is the last option:
50 x 9 = 450
450 - 4 = 446
446 - 7 = 439
Answer:
Subsets That Make Up the Real Numbers. The set of real numbers is made up of the rational and the irrational numbers. Rational numbers are integers and numbers that can be expressed as a fraction.
