If A(2, 2), B(5, 5), and C(8, 8), then which is AC - BC?
4
Which value of d makes the graph of the equation 3x - dy = 5d perpendicular to the graph of y = 3x - 4?
d = -9
d = 9
d = 6
d = 3
Which values of m and n make the midpoint of AB locate at the origin, given A(m, 11) and B(-5, n)?
m = 5 and
n = -11
m = 11 and
n = -5
m = 10 and
n = -22
m = -10 and
n = 22
Which line is passing through (3, 5) and is parallel to x-axis?
y = -3x
y = 3
y = 5
y = 3
x + 5
Which point is on the graphs of the lines y = 3x + 2, 2x + 3y = 39, and 2x = 3y - 27?
(-1, 11)
(1, -11)
(3, 11)
(2, 11)