Proving the Slope Criteria
Q (W + a, u + b)
The slope of Po is (v - z) divided by
The slope of pois
- divided by
(w + a) - (x + a).
Both lines have a slope that is
divided by
(w, u)
Therefore, the lines are
P' (x+a, z+b)
• P(x, z)
Hint

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups