Chapter 4 Test

Front

What is the equation of a vertical line that passes through the point (3, y)?

Back

x = 3

Front

What is the y-intercept of the equation y = -3x + 6?

Back

(0, 6)

Front

What are the slopes of perpendicular lines?

Back

Opposite (sign) reciprocals.

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

How do you write the equation of a line in slope-intercept form?

Back

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

Front

What is the slope of the line passing through the points (3, 18) and (0, 18)?

Back

0

Front

What is the slope of the line passing through the points (2, 3) and (2, 5)?

Back

Undefined

Front

Write the equation in slope-intercept form that passes through the point (-8, 2) and has a slope of -3/4.

Back

y = -3/4x - 4

Front

What does the term 'slope' represent in a graph?

Back

The steepness or incline of a line, calculated as rise over run.