What is the slope of the line through (-2,1) and (2,-5) in the standard (x,y) coordinate plane?

A formula in the form y = mx + b models the value, y, of a new car x years after the initial purchase in 2017. Would you expect m to positive, negative, or zero?
Two planes just took off from Boston, MA. The first plane is traveling 3 times as fast as the second plane. After traveling in the same direction for 2 hours, they are 396 miles apart. What is the average speed of each plane? (Hint: Since they are traveling in the same direction, the distance between them will be the difference of their distances.)
The length of a rectangle is 7 inches longer than the width the perimeter is between 29 and 40 inches.
A. Write the width as a compound inequality and then graph the results B. Write the length as a compound inequality and then graph the results |
## Categories## Archives |