Tee's Parallel Perpendicular Slopes and Equations

Front

What are parallel lines?

Back

Two lines that never cross.

Front

What does perpendicular mean?

Back

Lines cross at 90 degrees.

Front

y = 3x + 2 and y = 3x - 3. These lines are...

Back

Parallel.

Front

y = -2/3x + 2 and y = 3/2x + 9. These lines are...

Back

Perpendicular.

Front

Choose the most precise answer: These roads are...

Back

Parallel.

Front

What is the slope of a line parallel to y = 2x + 5?

Back

2.

Front

What is the slope of a line perpendicular to y = 4x - 1?

Back

-1/4.

Front

If two lines have the same slope, what can we say about them?

Back

They are parallel.

Front

If two lines intersect at a right angle, what type of lines are they?

Back

Perpendicular.

Front

What is the equation of a line parallel to y = -x + 3 that passes through (2, 1)?

Back

y = -x + 3.