Writing Equations of Lines: A Comprehensive Assessment

Which of the following is the slope formula?

• m = (Y2 - Y1) / (X2 - X1)

• m = (Y1 - Y2) / (X1 - X2)

• m = (X2 - X1) / (Y2 - Y1)

• m = (X1 - X2) / (Y1 - Y2)

What is the slope of the line passing through the points (-3, 2) and (-2, 0)?

• -1

• 1

• -2

• 2

What is the y-intercept of the line passing through the points (-3, 2) and (-2, 0)?

• 4

• -4

• -2

• 2

What is the equation of the line in slope-intercept form that passes through the points (-3, 2) and (-2, 0)?

• y = -2x + 4

• y = 2x - 4

• y = -2x - 4

• y = 2x + 4

Where does the line cross the y-axis in Example 2?

• (1, 0)

• (0, -1)

• (0, 1)

• (-1, 0)

What is the slope of the line in Example 2?

• 4

• 1

• 3

• 2

What is the equation of the line in Example 2?

• y = -4x - 1

• y = -4x + 1

• y = 4x + 1

• y = 4x - 1

What is the slope of the line based on the table in Example 3?

• 100

• 75

• 50

• 25

What is the y-intercept of the line based on the table in Example 3?

• 100

• 150

• 50

• 200

What is the final equation for the cost C for p number of people in Example 3?

• C = 100p + 100

• C = 50p + 50

• C = 100p + 50

• C = 50p + 100