Answer:
1. y = x - 4
2. y = x + 6
3. y = (1/2)x
4. c = 1.55n
5. e = 7.75h
25 hours
Step-by-step explanation:
1. y = x - 4
2. y = x + 6
3. slope m = change in y ÷ change in x
⇒ m = (7 - 6) ÷ (14 - 12) = 1/2
⇒ y - 6 = 1/2(x - 12)
⇒ y = (1/2)x
4. let c = cost
let n = number of songs
Ordered pairs: (1, 1.55) (2, 3.10) (5, 7.75)
⇒ c = 1.55n
5. let h = hours worked
let e = total earnings
earns $7.75 per hours
⇒ e = 7.75h
video game system = $193.75
⇒ 193.75 = 7.75h
⇒ h = 25
**options missing for questions 6 and 7**
