1. Graph f(x) = -2x + 2.
2. Rewrite the equation -x - 10y = 50 as a function of x.
3. Given f(x) = 5x2 - 3x + 1, find f(-2).
A) -13
B) 15
C) -25
D) 27
4. Given f(x) = 4x - 5, find f(a - 1).
A) 4a - 9
B) 4a - 6
C) a - 2
D) a - 9
5. Graph the inequality.
2x + 3y > 6
6. Are the following lines parallel, perpendicular, or neither?
L1 with equation x - 6y = 30
L2 with equation 6x + y = 6
A) Parallel
B) Perpendicular
C) Neither
7. Given g(x) = 4x - 3, find g(3a).
8. Graph the inequality.
x 2
9. Given f(x) = x2 - x + 7, find f(0).
10. Given f(x) = 4x + 4, find f(0).
1. Solve the system by addition.
5x - 3y = 13
4x - 3y = 11
2. The sum of two numbers is 90. The second is 10 more than 4 times the first. What are the two numbers?
3. Solve the system by graphing.
x + y = 4
-x + y = 2
4. Solve the following system of linear inequalities by graphing.
x - y 3
x + 2y 6
5. Solve the system by addition or substitution.
3x + 6y = 0
x =
6. Adult tickets for a play cost $17 and child tickets cost $8. If there were 24 people at a performance and the theater collected $363 from ticket sales, how many children attended the play?
A) 4 children
B) 5 children
C) 6 children
D) 19 children
7. Solve the following system of linear inequalities by graphing.
3x + 4y 12
x + 3y 6
x 0
y 0
A)
B)
C)
D)
9. Solve the system by graphing.
2x + y = 4
x + y = 3