The diagram above shows the slope triangle associated with points A(5,2) and B(2-7).
1. What is the slope of the line through points A and B? slope = 3
Write out the formula for finding slope then put in your values.
2. What is the equation of the line through points A and B? equation is
You just found the slope. What else do you need?
Write the formula for a line that uses slope and
then rewrite to use the numbers you know.
Solve and write in your equation
3. What is the length of line segment AB? AB is
units long
square units
What tools do you have for finding lengths?
4. What is the area of the slope triangle above? A -
Do you have your area formulas in your toolkit?
Add in the values you have to find area.