AC, BD and EDC are straight lines. (a) (i) Find the value of x.

x = .
(ii) Give a reason for your answer.
.
.
(2)
(b) Find the value of y.

y = .
(1)
(c) Find the value of z.

z = .

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.