Question

x = 4y - 2
x - 3y = 6
If you were going to solve this equation by substitution, what would your first step look like?
A)
x - 4y - 2 = 6
B)
4y - 2 - 3y = 6
C)
x - 12y - 6 = 6
D)
x - 12y + 6 = 6

Answer 1

first isolate x, and then equal the equations

Answer 2

B

Answer 3

Jason got a new mp3 player for his birthday. He is very excited to get started downloading songs. He looks online and finds two companies that offer different pricing options for song downloads. Company A charges $1.25 per song. Company B charges $0.65 per song plus a one-time $4 membership fee.


What is the maximum number of songs that can be purchased in order for Company A to be a better buy?
A)
3 songs

B)
4 songs
C)
5 songs
D)
6 songs

Answer 4

@AloneS @AlexKross