Real-Life Slope: Interpreting and Writing Equations

A car travels 60 miles in 1 hour. What is the slope of the distance over time? Write the equation in slope-intercept form.

• y = 60x

• y = 60x - 5

• y = 60x + 10

• y = 30x

A gardener plants 5 trees in 2 hours. If he continues at the same rate, how many trees will he plant in 5 hours? Find the slope and write the equation.

• 8 trees

• 12 trees

• 15 trees

• 10 trees

A cyclist rides 15 miles in 30 minutes. What is the slope of the distance over time? Express this in slope-intercept form.

• y = 30x

• y = 60x

• y = 45x

• y = 15x

A store sells 3 shirts for $45. What is the slope representing the cost per shirt? Write the equation in slope-intercept form.

• y = 15x

• y = 30x

• y = 5x

• y = 45x

A runner completes a 5K race in 25 minutes. What is the slope of the distance over time? Write the equation in slope-intercept form.

• y = 2.5x

• y = 4x

• y = 5x

• y = 3.33x

A student scores 80 points on a test after studying for 2 hours. If she continues studying at the same rate, how many points will she score after 5 hours? Find the slope and write the equation.

• 250 points

• 200 points

• 150 points

• 100 points

A train travels 120 miles in 2 hours. What is the slope of the distance over time? Write the equation in slope-intercept form.

• y = 30x

• y = 60x + 10

• y = 120x

• y = 60x

A chef prepares 10 meals in 4 hours. If he keeps the same pace, how many meals can he prepare in 10 hours? Find the slope and write the equation.

• 20 meals

• 30 meals

• 15 meals

• 25 meals

A phone company charges $200 for 2 phones. What is the slope representing the cost per phone? Write the equation in slope-intercept form.

• y = 50x

• y = 200x

• y = 150x

• y = 100x

A swimmer covers 100 meters in 50 seconds. What is the slope of the distance over time? Write the equation in slope-intercept form.

• y = 2x

• y = x + 2

• y = 4x

• y = 0.5x