Question

In a plane, line b is perpendicular to line f, line f is perpendicular to line g, and line h is parallel to line f. Which of the following must be true?

hg
g || f
b || h
fh

Answer 1

In a plane, line b is perpendicular to line f, line f is perpendicular to line g, and line h is parallel to line f. Which of the following must be true?

hg
g || f
b || h
fh

Answer 2

Which is the equation of the line with slope 3 that contains point (-1, 5)?

y – 5 = 3(x + 1)
y – 1 = 3(x + 5)
y – 1 = 3(x – 5)
y – 5 = 3(x - 1)