Question

Writing a linear equations

Answer 1

Answer:
-1/7
Hope that helped

Answer 2

y=4/15x

Explanation:

The equation of a straight line is given by:

y = mx + b

Where m is the slope of the line,

b is the y-intercept

it passes trough point (0;0) ⇒ b=0 ⇒ y=mx

it passes trough point (7.5;2) ⇒ 2=7.5m ⇒ m=2/7.5=4/15

y=4/15x