Question

A music club membership costs $15 to start and $8 per cd. Write an equation.

Answer 1

y = 8x + 15

Explanation:

Let x represent the number of cds, and let y represent the total cost.

Since each cd is $8, we can represent the extra cost from cds with the term 8x.

And, since the membership costs $15, this cost can be represented in the equation by +15.

Put these together:

y = 8x + 15 will be the equation representing this