Interpreting linear relationships

The  exercise appears under the Algebra I Math Mission. This exercise helps understand slope as increase or decrease of a line as read from left to right.

Types of Problems
There is one type of problem in this exercise:


 * 1) Describe the slope: This problem provides a graph. The student is asked to describe whether the graph increases, decreases or stays the same over time.Ilr1.png

Strategies
Graphical knowledge of slope as rise over run would ensure success on this exercise.
 * 1) The slope is positive if it increases left to right, negative if it decreases left to right, and is zero if it shows no change (is horizontal).
 * 2) Since recognition of the slope of the line is the only necessary skill, this problem can be done quickly and correctly for speed badges!

Real-life Applications

 * 1) Slope is the initial stage of calculus.
 * 2) Understanding the slope of a line will help understanding of slope of a curve, the foundation of calculus.