Solving Equations
a - 3 = 8
a = 11
The age of the house, a, is older than 3 years.
a > 3
The amount of money, m, your sports team makes and the number of cars, n, they wash
IV: n
DV: m
x 1 2 3 4 5
y 33 34 35 36 37
x + 32 = y
7x = 77
x = 11
The cost of the car, c, is at least $28,000.
c > 28,000
_
The pounds, p, of flour you buy and the number of bread loaves, b, you want to make
IV: b
DV: p
m 0 1 2 3 4
n 0 3 6 9 12
3m = n
p + 21.9 = 27.1
p = 5.2
The number of tabs, t, is fewer than 10
t < 10
The temperature, t, of water and the number of minutes, m, the water is in the freezer
IV: m
DV: t
a 32 37 42 47 52
b 17 22 27 __ __
a - 15 = b
32, 37
r/9 = 9
r = 81
The number of people, n, living in the house is at most 5.
n < 5
_
The number of hamburgers, h, sold and the dollar amount of sales, s, taken in
IV: h
DV: s
c 0 9 18 27 36
d 0 1 2 __ __
c/9 = d
3, 4
4/2x = 6
x = 3
The number of students, s, who scored 100% on the test was not 0.
s = 0
The pages, p, in a book and the weight, w, of the book
IV: p
DV: w
t = 5d +5
d 0 1 2 3 4
t 5 10 15 __ __
20, 25