Chapter P Lesson 4 focuses on linear equations. Linear equations are straight lines modeled by the equation y=mx+b, where m and b are constants. m is the slope of the equation while b is the y-intercept. Linear equations intersect the y-axis at the y-intercept and the x-axis at the x-intercept. Unlike quadratic equations, linear equations only have one x-intercept. To create an equation from a slope and two points, we use the point-slope form of a linear equation which is: y-y1=m(x-x1).
In this project, I chose to find the appreciation of stock value. To do this, I will use linear equations to estimate how stock value increases over time.