Algebra 1 Semester Final Review

Which step has the mistake?

• Step 1

• Step 2

• Step 3

• Step 4

• No mistake

Which step has the mistake?

• Step 1

• Step 2

• Step 3

• No mistakes

Solve the inequality:

3(x – 1) ≥ –9

• x ≥ –2

• x ≥ 2

• x ≤ –2

• x ≤ 2

Solve a = b + c   , for  c

• c = a - b
• c = a + b
• c = ab
• c = a / b

Solve:
C = 2πr, for r

• C + 2π = r
• C - 2π = r
• 2πC = r

All of the x values or inputs are called what?

• Domain
• Range

All of the y values or outputs are called what?

• Domain
• Range

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D:{0, 1, 2, -4}
  R:{1, -3, -4}
• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}

Which of these sets is the RANGE of the graph?

• {0, 6, 12, 18}

• {-2, 0, 2, 4}

• {-2, 2, 4}

• {6, 12, 18}

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)