18. Which equation best describes the graph?

A. y = -5/4x + 2

B. y = 5/4x - 2

C. y = -4/5x - 2

D. y = 4/5x + 2

C. y = -4/5x - 2

Step-by-step explanation:

Graph the line using the slope and y-intercept, or two points.

Slope:  

−

4

5

y-intercept:  

(

0

,

−

2

)

x

y

−

5

2

0

0

−

2

step-by-step explanation:

∆abc has the points a(1, 7), b(-2, 2), and c(4, 2) as its vertices. formed with the point d(1, 2) as its third vertex, then ∆abd is triangle.