Parallel Lines & Transversals
Angles & Parallel Lines
Parallel & Perpendicular Lines
Equations of Lines
Proving Lines Parallel
100
Coplanar lines that do not intersect
What are parallel lines?
100
Angles on the same side of the transversal and in the same position
What are corresponding angles?
100
How do you know if 2 lines are parallel?
Perpendicular?
Parallel: same slope
Perpendicular: slopes are negative reciprocals
100
Write am equation in slope-intercept form for the line described: passes through b=5, perpendicular to y=2x-17
What is y=-1/2x +5
100
If (3y+ 53) and (7y - 55) are alternate exterior angles, what is the value of x?
What is 27?
200
Lines that do not intersect, but are not parallel.
What are skew lines?
200
Angles within the two lines that are on the same side of the transversal.
What are consecutive interior angles?
200
Are the lines parallel, perpendicular, or neither?
y = -2x + 1 and y = -2x + 6
What is parallel?
200
Write an equation in slope-intercept form that passes through b=8, and is parallel to y=4x-19
What is y=4x+8
200
If (21+ 2x) and (x + 84) are alternate interior angles, what is the value of x?
What is 63?
300
Planes that do not intersect
What are parallel planes?
300
Angles within the two lines that are on the opposite side of the transversal.
What are alternate interior angles?
300
Are the lines parallel, perpendicular, or neither?
y = -5/3x + 1 and y = -3/5x + 5
What is neither?
300
Write an equation in slope-intercept form that passes through the origin, and is perpendicular to y=-2/3x-11
What is y=3/2x
300
If (7x-2) and (10-3x) are consecutive exterior angles, what is the value of x?
What is 43?
400
A line that intersects two or more lines at two different points
What is a transversal?
400
Angles outside the two lines that are on the opposite side of the transversal.
What are alternate exterior angles?
400
!!Daily Double!!
Find BOTH Slopes, & determine whether the lines are parallel, perpendicular, or neither.
What is perpendicular
m = 2/5
m = -5/2
400
Write an equation in slope-intercept form that passes through the the point (0,13) , and is parallel to y=-2/3x-11
What is y = -2/3x + 13
400
Find x so that l ll m. State the converse used.
What is x = 17 and Consecutive Interior Angles Converse?
500
The measure of angles formed by two lines intersected by a transversal are always congruent or supplementary when the lines are ______________.
Parallel
500
Angles outside the two lines that are on the same side of the transversal.
What are consecutive exterior angles?
500
Are the lines parallel, perpendicular, or neither?
y\ =\ -\frac{2}{7}x\ +\ 6
4y\ -\ 14x\ =\ -8
What is perpendicular?
500
Write 3 Equations in y = mx + b form:
2 Lines that are PARALLEL
1 Line PERPENDICULAR to
Answers Vary (show Mr. B)
500
Find x so that r || q. State the converse used.
What is x = 23 and Corresponding Angles Converse?