Question

Write the equation of the line that passes through the point (–6, 2) and is parallel to the line whose equation is x = –10, then write the equation of the line that passes through the point (–6, 2) and is perpendicular to the line whose equation is x = –10.
a. x=-6, y=-6
b. x=-6, y=2
c. x=2, y=2
d. x=10, y=2

Answer 1

The gradient of the second line is zero since parallel lines have equal gradients;
y=0x+c
Replacing for x and y;
2=c
y=2