Two lines that never intersect are...
parallel
An angle measure under 90 degrees is...
acute
The point (-3,-3) lies in what quadrant...
quadrant III
Lines that intersect and form 90 degree angles are called...
perpendicular
Two angles that sum to 180 are...
supplementary angles
y=mx+b
Two parallel lines that are crossed by a transversal form four types of angles, what are they called?
consecutive interior, consecutive exterior, alternate interior, alternate exterior
Two angles that sum to 90 degrees are...
complementary angles
What does b represent in y=mx+b
y-intercept
If two lines are parallel, they have the same...
slope
An angle measure greater than 180 degrees is called a...
reflex angle
What does m represent in y=mx+b and y-y1 = m(x-x1)
m is the slope
Two consecutive interior angles are both
congruent
The interior angles of a triangle sum to...
180 degrees
rate of change, or steepness of line in graph