Writing Linear Equations

Front

What does the "b" stand for in y=mx+b?

Back

y-intercept

Front

A holiday meal costs $12.50 a person plus a delivery fee of $30.

Back

y = 30 + 12.5x 

Front

The start up cost to join eTunes music is $7.95 plus $0.95 per song downloaded. Write a linear equation that could be used to find how many songs he downloaded.

Back

y = 0.95x + 7.95

Front

Sonya has $40 in her lunch account and pays $2 each day to eat lunch. Which equation can be used to find the amount of money Sonya has left on her account after x days? Options: y = 40 + 2x, y = - 2x + 40, y = 2 + 40x, y = 2 - 40x

Back

y = - 2x + 40

Front

A man is climbing down from 100 feet high descending 30 feet per minute. What is the equation representing his height over time?

Back

y = - 30x + 100

Front

Equation for cost of renting a canoe for x hours with $20 transportation fee and $30/hour rental.

Back

y = 30x + 20

Front

Equations to determine equal value for Frederick County Fair ($15 + $2.50/ride) and Montgomery County Fair ($10 + $3.00/ride).

Back

15 + 2.5x = 10 + 3x

Front

Equation to determine how many games need to be purchased for Xbox One and Playstation 4 costs to be equal?

Back

150 + 24x = 180 + 20x

Front

Which situation best represents the equation 25 + .05x = 50 + .01x?

Back

There are two cell phone companies that charge based on the number of minutes used each month, x. Cellular One charges $25 plus 5 cents per minute. Cellular Plus charges $50 plus 1 cent per minute. How many minutes can be used in one month to make the two companies charge the same amount?

Front

John and Jane spent the same amount on cookies and a cake. Jane bought x cookies at $3 each. John bought x cookies at $1 each and a $10 cake. What equation shows how many cookies, x, they purchased? Options: 3x = x + 10, x = 3x + 10, 3x + x = 10, 3x + x + 10 = 0

Back

3x = x + 10