Answer:
Step-by-step explanation:
We are here given the slope of the line and one point through which it passes . The slope of the line is -4 and the point is (-9,-12) .
Here we can use the point slope form of the line as ,

Substitute the respective values ,

Simplify LHS and RHS ,

Open the brackets in RHS ,

Add 36 and 4x to both sides ,

Answer:
formula to find area = (1/2) b h
= (1/2) x Base x Height
substitute the values
= (1/2) x 18 x 12
= 108 cm2
Step-by-step explanation: