Question

Given that the line PQ has P(4, 1) and gradient ½, determine the equation of this line.​

Answer 1

Answer: y = (1/2)x - 1

Explanation:

Point slope form:
(y1 - y) = m(x1 - x)
(1 - y) = 1/2(4 - x)
1 - y = 2 - (1/2)x
-y = (-1/2)x + 2 - 1
-y = (-1/2)x + 1
y = (1/2)x - 1