Without graphing, tell whether the slope of a line that models the linear relationship is positive, negative, zero, or undefined. Then find the slope.
Upper A babysitter earns $ 8 for 1 h and $ 32 for 4 h.
The slope of the relationship is positive
Find the slope. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
a. The slope is____
B. The slope is undefined.