Interpret the Solutions to a System of Equations

Question 1: Which of the following is a solution to the system of equations y=2x+6 and y=-2x-2.

Question 2: Two weight-loss apps charge a monthly fee and a fee to join. App A charges $30 to join and $10 per month and App B charges $10 to join and $15 per month. Write a system of equations that models this situation.

Question 3: Two weight-loss apps charge a monthly fee and a fee to join. App A charges $30 to join and $10 per month and App B charges $10 to join and $15 per month. The system of equations y=10x+30 and y=15x+10 models the total amount of money spent (y) after x months. After 8 months which App has been more expensive.

Question 4: Two weight-loss apps charge a monthly fee and a fee to join. App A charges $30 to join and $10 per month and App B charges $10 to join and $15 per month. The system of equations y=10x+30 and y=15x+10 models the total amount of money spent (y) after x months. Which of the following is the solution to the system of equations.

Question 5: Two weight loss apps charge a monthly fee and a fee to join. App A charges $30 to join and $10 per month and App B charges $10 to join and $15 per month. The system of equations y=10x+30 and y=15x+10 models the total amount of money spent (y) after x months. The point (4,70) is the solution to the system. What does this solution mean?