Independent/Dependent Variable
A bike travels at a steady speed of 6 miles per hour.
Independent Variable: hours
Dependent Variable: miles
A bike travels at a steady speed of 6 miles per hour.
Make a table of five ordered pairs for t = 0, 1, 2, 3, 4.
hour 0 1 2 3 4
miles 0 6 12 18 24
A bike travels at a steady speed of 6 miles per hour.
Distance d (in miles) to time t (in hours).
d=6t
Jenna earns $8 per hour babysitting.
Independent Variable: hour
Dependent Variable: earnings
Jenna earns $8 per hour babysitting.
Make a table for h = 0, 1, 2, 3, 4.
h 0 1 2 3 4
e 0 8 16 24 32
Jenna earns $8 per hour babysitting.
Earnings (e) per hour (h)
e=8h
A gardener charges a flat setup fee of $15 plus $4 per plant p.
Independent Variable: plant
Dependent Variable: charge/cost
A gardener charges a flat setup fee of $15 plus $4 per plant p.
Make a table for p = 0, 1, 3, 5, 10.
p: 0 1 3 5 7
$ : 0 19 27 35 43
A gardener charges a flat setup fee of $15 plus $4 per plant p.
Let T be total cost in dollars. Write an equation expressing T in terms of p.
T=4(p)+15
A phone plan gives 500 MB per day. Let M be megabytes used after d days at the constant rate.
Independent Variable: day
Dependent Variable: megabytes
A phone plan gives 500 MB per day. Let M be megabytes used after d days at the constant rate.
Create a table for d = 0, 1, 2, 3, 4.
d: 0 1 2 3 4
M: 0 500 1000 1500 2000
A phone plan gives 500 MB per day. Let M be megabytes used after d days at the constant rate. Write an equation.
M=500(d)
A printer prints 12 pages per minute.
Write an equation.
If t = 5 minutes, how many pages?
60 pages in 5 minutes
A bookstore pays authors $0.50 for each book sold plus $10 advance.
Let E be earnings and b number of books sold.
Write an equation, find E when b = 20.
E=0.50(b)+10
$20
A computer rental costs $25 per day plus a one-time deposit of $40. Let D be total cost and d be days rented.
Write an equation for D.
If a student has $190, how many full days can they rent?
D=25(x)+40
The student can rent for 6 full days with $190