Ashley has $15 in her savings account. She earns $3 per hour as allowance when doing chores.
If she works x hours, then she'll have y = 3x+15 dollars in her account.
It's in the format y = mx+b
m = 3 = slope = how fast her money grows
b = 15 = y intercept = starting amount of money
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Possible Questions:
- How much would Ashley have after 4 hours?
- How long would it take her to earn $36?
- What are the practical domain and range?
- What are two points that y = 3x+15 passes through?
- When moving from left to right, does the graph of y = 3x+15 go uphill or downhill?
- Her brother Mark has the equation y = 2x+17. Who earns more per hour? Who starts off with more money?