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Laabri

You Do - 10/27/22 AAC

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Last updated over 3 years ago
6 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

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.

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

1
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

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

1
Asemmisa {{asɛmmisaAhyɛnsode}}
2.

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.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
3.

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.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
4.

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.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
5.

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.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
6.

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?