Linear functions

Front

Equation for total cost of x pounds of fruit at Lee's orchard (basket $3, fruit $2.50/lb) in y = mx + b form.

Back

y = 2.50x + 3

Front

What is the y-intercept of the line? Options: y = 1/2, y = 1, y = -1/2, y = -1

Back

y = -1

Front

What is the y-intercept?

Back

7

Front

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage. If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

Back

C = 0.20x + 15

Front

Bob has $150 in his savings account and saves $40 per month. Which equation represents the amount Bob has in his account after x months?

Back

y = 40x + 150

Front

A holiday meal costs $12.50 a person plus a delivery fee of $30. Which equation represents the amount a holiday meal costs, including delivery, for x people?

Back

y = 30 + 12.5x

Front

Equation for Easy Car Rental charges: $8.50/hour + $25.50 rental fee for x hours.

Back

y = 25.5 + 8.5x

Front

A man is climbing down from 100 feet high descending 30 feet per minute. What is the equation?

Back

y = 100 - 30x

Front

Equation for joining a dancing club: $30 startup fee + $4 monthly fee. Total cost = $58. How many months?

Back

7 months

Front

Which situation below is representative of y-intercept?

Back

buying $30 worth of supplies for a lemonade stand