### Still have math questions?

The answers in Exercises $$74$$ and $$75$$ should be the same. Which method did you prefer? Why? Recall that slope measures the steepness of a line and is calculated using the formula slope $$m = \frac {$$ change in $$y } {$$ change in $$x } = \frac { y _ { 2 } - y _ { 1 } } { x _ { 2 } - x _ { 1 } } ($$ where $$x _ { 1 } \neq x _ { 2 } ) .$$
$$\text { Answers will vary. }$$