Chapter 5 - Linear Functions - 5-1 Rate of Change and Slope - Practice and Problem-Solving Exercises - Page 299: 34

m=−4

To find the slope, we use the formula m=$\frac{y2-y1}{x2-x1}$. We plug in the x and y values from the given coordinate pairs: m=$\frac{3-0}{3.5-4.25}$ We simplify above and below the fraction bar with subtraction: m=$\frac{3}{-0.75}$ We divide the fraction: m=−4