Algebra 1 Final Semester Review

Determine the domain on which the following function is decreasing.

• (-∞,4]

• [4,∞)

• (-∞,1]

• [1,∞)

Describe the transformation from the parent function y = |x|:

y = ∣ x−3 ∣ + 2

• 3 units right; 2 units up

• 3 units left; 2 units up

• 3 units right; 2 units down

• 3 units left; 2 units down

Solve the system of equations by substitution:

Solve the system of equations by elimination:

Select ALL the equations that could represent the linear function shown in the graph.

Select ALL of the functions below that could represent the graph.

Solve the equation.

• z = 1

• z = -1, z = -5

• z = 1, z = - 5

• z = -5

Solve the equation. 10 (x -1) = -2x + 62

• 6

• -6

• 12

• 4

Determine the number of solutions to the equation.

• x = -6

• y = 6

• no solution

• infinitely many solutions