You Do - 10/27/22 AAC

Last updated almost 3 years ago

6 questions

Note from the author:

Writing Equations from Real-World Scenarios: 8.5i
Use the real-world scenarios below to identify and interpret the meaning of the slope and the y-intercept.

Instructions

Writing Equations from Real-World Scenarios: 8.5i
Use the real-world scenarios below to identify and interpret the meaning of the slope and the y-intercept.

The equation below shows the cost y of a hamburger with different numbers of toppings x.
y = 1.90 +  1.40x

the y-intercept is _______ and it means the cost of the _______ .

the slope is _______ and it means that it is the cost of the _______ 

The function below shows the cost for a ticket y to attend the fair if you ride x rides.
y = 1.75x + 10

the y-intercept is _______  and it means the cost of the _______  at the fair.

the slope is _______  and it means that it is the cost of the _______ 

To rent a canoe, you pay a one-time fee of $15 plus $8 per hour.

the slope is _______, the y-intercept is _______ .

The equation is _______ .

The cost for 5 hours would be _______ 

To rent a van, there is a one-time fee of $50 plus $0.25 per mile driven.

the rate of change is _______ and the y-intercept is _______ 

the equation is _______ 

and the cost for driving 100 miles is _______ 

Tyra has $100 in her bank account and withdrawals $5 every Friday for her favorite Starbucks drink.

the rate of change is _______ and the y-intercept is _______ 

the equation is _______ 

after spending for 7 days how much will she have? _______ 

Michael works part-time at Dairy Queen. His hourly rate is $8.50 an hour.

the rate of change is _______ and the y-intercept is _______ 

the equation is _______ 

If Michael worked yesterday and earned  $38.25, how many hours did he work? _______ 