Answer:
y = -2x + 4
Step-by-step explanation:
I hope the picture is self explanatory, If you input the line into each of the statements they should be equal.
18
7 = 3x − 1
by pythagorean formula, the last side is √(61)
by cos rule
cos A
A = 39.81
2 1/3
=2*3+1/3
=7/3