Front

If two lines are perpendicular to each other, their slopes are ____________

Back

negative reciprocals of each other.

Front

y = \frac{5}{7}x + 2 and y = \frac{5}{7}x - 30. These lines are...

Back

Parallel

Front

Identify the following undefined term: Stars in the sky

Back

point

Front

What are perpendicular lines?

Back

Lines that intersect and form a 90° angle.

Front

Write the equation of a line PERPENDICULAR to y = -2x + 1 that passes through the point (2, 3).

Back

y = \frac{1}{2}x + 2

Front

What is the slope of a line that is perpendicular to a line with a slope of 3?

Back

-\frac{1}{3}

Front

What is the definition of parallel lines?

Back

Lines that never intersect and have the same slope.

Front

What is the slope-intercept form of a line?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

Slope (m) = \frac{y2 - y1}{x2 - x1}.

Front

What is the equation of a line that passes through the origin with a slope of 4?

Back

y = 4x.