Definitions
Angle Pair Relationships
Solve for x
Slope
Systems of Equations
100

A line that intersects two or more lines in a plane

Transversal

100

Angles that are in the same position when two lines are cut by a transversal are called

Corresponding Angles

100
Using the figure on the board, if m<3=6y and m<5=13y-10, find the value of y.
What is y=10?
100
Find the slope of the line defined by points (7,3) and (0,2).
What is 1/7?
100
Two angles whose sum is 180 degrees.
What are supplementary angles?
200

Two lines in a plane that never meet

Parallel lines

200

If two parallel lines are cut by a transversal, then each pair of alternate interior angles is...

Congruent

200
Using the figure on the board, if m<3=60 and m<4=9x+12, find the value of x.
What is x=12?
200
Find the slope of a line parallel to the line defined by the points (2,4) and (8, -3).
What is -7/6?
200
The angle pair relationships formed by a transversal can be used to determine if two lines are _________.
What is parallel?
300

Two lines that do not intersect and are not in the same plane

Skew lines

300

If two parallel lines are cut by a transversal, then each pair of same-side exterior angles is...

Supplementary

300
Using the figure on the board, if m<6=82 find m<4.
What is 98?
300
Find the slope of a line perpendicular to the line defined by points (3,2) and (4,-3).
What is 1/5?
300
Two angles whose sum is 90 degrees?
What are complementary angles ?
400

Write the slope formula

m=(y2-y1)/(x2-x1)

400

If two parallel lines are cut by a transversal, then each pair of alternate exterior angles is...

What is congruent?

400
Using the figure on the board, if m<7=36, find m<2.
What is 36?
400
Find the slope of a line defined by the points (-2,3) and (8,3).
What is 0?
400
The number of degrees in a straight line?
What is 180?
500

Perpendicular lines have slopes that are 

__________    _____________

Opposite Reciprocals

500
If there is a line and a point not on the line, then there exists exactly one line through the point that is parallel to the given line.
What is the Parallel Postulate?
500
Using the figure on the board, if m<1=4x-5 and m<5=3x+11, find m<5.
What is 59?
500
Find the slope of a line defined by the points (3,-4) and (3,2).
What is undefined?
500
When all angle pairs are congruent to each other, the transversal must be ______________.
What is perpendicular?
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