Question

Write an equation of a line parallel to the line y=-2x+8 and passes through the point (-1,-3)​

Answer 1

Answer: y=–2x–5

Explanation:

The equation of a straight line:

y=mx+c

m must be the same for the two lines to be parallel.

y=mx+c

y=–2x+8 → m=–2

For a new equation:

x=–1, y=–3, m=–2, c=?

y=mx+c → –3=–2×(–1)+c

–3=2+c

c=–5

So:

y=–2x–5