Slope from a Table
What is the slope? (slide #1)
2
What is the y-intercept? (slide #1)
7
What is the slope intercept form equation? (slide #1)
y = 2x + 7
To rent a canoe you must pay an initial fee of $25 plus $10 per hour. Create the function rule in slope-intercept form and describe the slope and y-intercept.
y = 10x + 25
To rent a canoe you must pay an initial fee of $25 plus $10 per hour. How much will you pay for renting a canoe for 3 hours?
$55
What is the slope? (slide #2)
-3
What is the y-intercept? (slide #2)
-4
What is the slope intercept form equation? (slide #2)
y = -3x - 4
You rent a bicycle for $20 plus $2 per hour. Write an equation in slope intercept form.
y = 2x + 20
You rent a bicycle for $20 plus $2 per hour. How much will you pay for renting a bike for 8 hours?
$36
What is the slope? (slide #3)
-0.25
What is the y-intercept? (slide #3)
4.5
What is the slope intercept form equation? (slide #3)
y = -0.25x + 4.5
A candle is 6 inches tall and burns at a rate of ½ inch per hour. Write an equation in slope intercept form.
y = -1/2x + 6
A candle is 6 inches tall and burns at a rate of ½ inch per hour. How tall will the candle be after 4 hours?
4 inches
What is the slope? (slide #4)
4
What is the y-intercept? (slide #4)
-21
What is the slope intercept form equation? (slide #4)
y = 4x - 21
The cost of a school banquet is $95 plus $15 for each person attending. Write an equation in slope intercept form that gives total cost as a function of the number of people attending.
y = 15x + 95
The cost of a school banquet is $95 plus $15 for each person attending. How much does it cost for 50 people to attend?
$845
What is the slope? (slide #5)
1/2
What is the y-intercept? (slide #5)
What is the slope intercept form equation? (slide #5)
y = 1/2x + 1.5
A recording studio charges musicians an initial fee of $50 to record an album. Studio time costs an additional $35 per hour. Write an equation in slope intercept form.
y = 35x + 50
A recording studio charges musicians an initial fee of $50 to record an album. Studio time costs an additional $35 per hour. Find the total cost for being in the studio for 10 hours.
$400