Quiz

Question 1 · easy

Find the slope of the line through (-2, 5) and (3, -5).

Question 2 · easy

Identify the slope and y-intercept of y = (3/4)x - 2.

Question 3 · medium

Write the equation of the line through (1, -3) with slope -5 in slope-intercept form.

Question 4 · medium

Find the equation of the line through (2, 1) and (4, 7).

Question 5 · easy

Find the x-intercept of 3x - y = 9.

Question 6 · medium

Are y = -4x + 1 and y = (1/4)x + 3 perpendicular?

Question 7 · medium

Find the equation of the line parallel to 2x + y = 5 through (3, -1).

Question 8 · easy

What is the equation of the horizontal line through (-3, 6)?

Question 9 · medium

Convert 4x - 2y = 8 to slope-intercept form.

Question 10 · challenge

A water tank loses 15 gallons per hour. At time t = 0 it has 300 gallons. Write the linear function for gallons remaining and find when the tank is empty.