464,469 views
45 votes
45 votes
11) Find x if the line through (-2, 4) and (x, 6) has a slope of 2/9?

User Niovi
by
2.7k points

1 Answer

22 votes
22 votes

Answer: x = 7.

Step-by-step explanation:

The formula for a slope is y₂ - y₁ / x₂ - x₁.

Plug in the values into the formula.


(6 - 4)/(x + 2)


(2)/(x + 2)

The slope is 2/9, so x + 2 = 9.

Hence, x = 7.

User Marcio Jasinski
by
2.9k points