Slope
Word Problems
Point Slope
Comparing
100

What is the rate of change between (1,-2) and (-4,5)?

-7/5

100

Carlo's Cleaning Company charges a $100 booking fee and charges a rate of $35 per hour. Write an equation in slope intercept form that represents this using x for the number of hours and y for the total cost.

y = 35x + 100

100

What is the equation of a line in slope-intercept form that has a slope of 4 that goes through the point (-3, 8)?

y=4x-4

100

Which function has a greater slope? y or f(x)

y=2x + 1 

OR

y

200

What is the rate of change over the interval [-8,0]?

(this means to use the coordinate points when x=-8 and x=0)

-7/4

200

Maggie's enjoys dog sitting for her neighbors. She charges $25 plus an additional $10 per hour visit. If Someone booked her to visit her house 8 times, how much will Maggie earn?

$105

200

What is the equation of a line in slope-intercept form  that goes through the points (-4, 9) and (3, -12)?

y=-3x-3

200

Which carnival charges more for entrance?

Carnival of Fun


*BONUS 100 points: what is this value called in context of slope-intercept form?

300

What is the average rate of change over the interval [5, 13]?

(when x=5 and when x=13) 

1/2

300

Phil joined a new gym where he had to pay an application fee of $70 and he is charged $30. If he plans to go to the gym for a full year, how much will Phil end up paying?

$430

300

What is the equation of a parallel line to y=4x+5 that goes through the point (-6, -2)?

y=4x+22

300

Which storm produced more snow after 10 hours?

January Storm


*BONUS 100 points: Which storm snowed more per hour?

400

What is the slope in the equation -2x + 4y = 16?

1/2

400

Mark paid $15 to get into the festival. He rode 9 rides and ended up spending a total of $51. How much did each ride cost?

$4

400

What is the equation of a perpendicular line to the graphed line that has the same y-intercept?

y=-3/2x-4

400

Your kitchen sink is clogged and will be 4 hours to repair. Who will be cheaper to hire for the job?

They would cost the same, $200.

500

What is the slope of a perpendicular line to 3x - 4y = 8?

-4/3

500

Polly's Pizzeria only charges $15 for a large pizza, but charges $2.50 for each topping. If Frank paid $30 for his pizza, how many toppings are on his large pizza?

6 toppings

500

What is the equation of a line perpendicular to 3x - 6y = 10 that goes through the point (4, -12)?

y=-2x-4

500

Which pool will be empty the fastest and after how many hours will it be empty?

Hotel pool: y = 25,000 - 1,000x

Hotel pool, 25 hours