# Grade 9 Algebra Practice Test
## Part A: Simplifying Expressions
1. Simplify: 8x − 3x + 12
2. Simplify: 5(2y − 3)
3. Expand: −4(3x + 5)
4. Factor: 14x + 21
## Part B: Solving Equations
5. Solve: 4x + 9 = 29
6. Solve: 7(x − 2) = 28
7. Solve: 3x − 5 = 2x + 11
8. Solve: 6 − 2x = 4x + 12
## Part C: Linear Relations
9. Identify the slope and y-intercept:
y = −3x + 7
10. Write the equation of a line with slope 4 and y■intercept −2.
## Part D: Word Problems
11. A movie ticket costs $5 plus $2 per hour of parking.
Write an equation for the total cost (C) based on hours parked (h).
12. A babysitter earns $12 per hour and already has $30 saved.
Write an equation for the total money (M) earned after h hours.
## Part E: Bonus
13. Solve the system of equations:
2x + y = 13
## Part A: Simplifying Expressions
1. Simplify: 8x − 3x + 12
2. Simplify: 5(2y − 3)
3. Expand: −4(3x + 5)
4. Factor: 14x + 21
## Part B: Solving Equations
5. Solve: 4x + 9 = 29
6. Solve: 7(x − 2) = 28
7. Solve: 3x − 5 = 2x + 11
8. Solve: 6 − 2x = 4x + 12
## Part C: Linear Relations
9. Identify the slope and y-intercept:
y = −3x + 7
10. Write the equation of a line with slope 4 and y■intercept −2.
## Part D: Word Problems
11. A movie ticket costs $5 plus $2 per hour of parking.
Write an equation for the total cost (C) based on hours parked (h).
12. A babysitter earns $12 per hour and already has $30 saved.
Write an equation for the total money (M) earned after h hours.
## Part E: Bonus
13. Solve the system of equations:
2x + y = 13
