[
  {
    "Question": "What is the value of the expression 3x + 5 when x = 2?",
    "Answer": "B",
    "Explanation": "To evaluate the expression, substitute x with 2: 3(2) + 5 = 6 + 5 = 11.",
    "PictureURL": "",
    "OptionA": "6",
    "OptionB": "11",
    "OptionC": "8",
    "OptionD": "10",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Evaluating Expressions",
    "Item": 1,
    "Type": "multiple choice",
    "Path": "algebra/evaluating-expressions"
  },
  {
    "Question": "Simplify the expression 4(2x + 3) - 2x.",
    "Answer": "C",
    "Explanation": "Distribute 4: 8x + 12 - 2x = 6x + 12.",
    "PictureURL": "",
    "OptionA": "8x + 12",
    "OptionB": "10x + 12",
    "OptionC": "6x + 12",
    "OptionD": "6x + 6",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Simplifying Expressions",
    "Item": 2,
    "Type": "multiple choice",
    "Path": "algebra/simplifying-expressions"
  },
  {
    "Question": "Which of the following is an equivalent expression to 5(x + 2)?",
    "Answer": "A",
    "Explanation": "Distributing 5 gives 5x + 10, which is equivalent to the original expression.",
    "PictureURL": "",
    "OptionA": "5x + 10",
    "OptionB": "5x + 2",
    "OptionC": "10x + 5",
    "OptionD": "2x + 5",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Equivalent Expressions",
    "Item": 3,
    "Type": "multiple choice",
    "Path": "algebra/equivalent-expressions"
  },
  {
    "Question": "Evaluate the expression 2a^2 + 3b when a = 3 and b = 1.",
    "Answer": "D",
    "Explanation": "Substituting values: 2(3^2) + 3(1) = 2(9) + 3 = 18 + 3 = 21.",
    "PictureURL": "",
    "OptionA": "18",
    "OptionB": "20",
    "OptionC": "19",
    "OptionD": "21",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Evaluating Expressions",
    "Item": 4,
    "Type": "multiple choice",
    "Path": "algebra/evaluating-expressions"
  },
  {
    "Question": "What is the simplified form of 7x - 3x + 4?",
    "Answer": "B",
    "Explanation": "Combine like terms: (7x - 3x) + 4 = 4x + 4.",
    "PictureURL": "",
    "OptionA": "3x + 4",
    "OptionB": "4x + 4",
    "OptionC": "10x + 4",
    "OptionD": "4x - 4",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Simplifying Expressions",
    "Item": 5,
    "Type": "multiple choice",
    "Path": "algebra/simplifying-expressions"
  },
  {
    "Question": "If x = 4, what is the value of the expression 2(x + 5) - 3?",
    "Answer": "C",
    "Explanation": "Substituting x: 2(4 + 5) - 3 = 2(9) - 3 = 18 - 3 = 15.",
    "PictureURL": "",
    "OptionA": "12",
    "OptionB": "10",
    "OptionC": "15",
    "OptionD": "18",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Evaluating Expressions",
    "Item": 6,
    "Type": "multiple choice",
    "Path": "algebra/evaluating-expressions"
  },
  {
    "Question": "Which expression represents the perimeter of a rectangle with length l and width w?",
    "Answer": "A",
    "Explanation": "The perimeter P of a rectangle is given by P = 2l + 2w.",
    "PictureURL": "",
    "OptionA": "2l + 2w",
    "OptionB": "lw",
    "OptionC": "l + w",
    "OptionD": "2(l + w)",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Understanding Expressions",
    "Item": 7,
    "Type": "multiple choice",
    "Path": "algebra/understanding-expressions"
  },
  {
    "Question": "What is the result of simplifying the expression 3(2x - 4) + 5?",
    "Answer": "D",
    "Explanation": "Distributing gives 6x - 12 + 5 = 6x - 7.",
    "PictureURL": "",
    "OptionA": "6x - 12",
    "OptionB": "6x - 8",
    "OptionC": "6x + 5",
    "OptionD": "6x - 7",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Simplifying Expressions",
    "Item": 8,
    "Type": "multiple choice",
    "Path": "algebra/simplifying-expressions"
  },
  {
    "Question": "If y = 2, what is the value of the expression 4y^2 - 3y + 1?",
    "Answer": "B",
    "Explanation": "Substituting y: 4(2^2) - 3(2) + 1 = 4(4) - 6 + 1 = 16 - 6 + 1 = 11.",
    "PictureURL": "",
    "OptionA": "10",
    "OptionB": "11",
    "OptionC": "12",
    "OptionD": "9",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Evaluating Expressions",
    "Item": 9,
    "Type": "multiple choice",
    "Path": "algebra/evaluating-expressions"
  },
  {
    "Question": "Which of the following is the simplified form of 12x - 4x + 8?",
    "Answer": "C",
    "Explanation": "Combine like terms: (12x - 4x) + 8 = 8x + 8.",
    "PictureURL": "",
    "OptionA": "4x + 8",
    "OptionB": "12x + 8",
    "OptionC": "8x + 8",
    "OptionD": "8x - 8",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Simplifying Expressions",
    "Item": 10,
    "Type": "multiple choice",
    "Path": "algebra/simplifying-expressions"
  },
  {
    "Question": "What is the value of the expression 5(3 + 2) - 4?",
    "Answer": "A",
    "Explanation": "First, calculate inside the parentheses: 5(5) - 4 = 25 - 4 = 21.",
    "PictureURL": "",
    "OptionA": "21",
    "OptionB": "20",
    "OptionC": "19",
    "OptionD": "22",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Evaluating Expressions",
    "Item": 11,
    "Type": "multiple choice",
    "Path": "algebra/evaluating-expressions"
  },
  {
    "Question": "Which expression is equivalent to 10 - 2(x - 3)?",
    "Answer": "B",
    "Explanation": "Distributing gives 10 - 2x + 6 = 16 - 2x.",
    "PictureURL": "",
    "OptionA": "10 - 2x + 3",
    "OptionB": "16 - 2x",
    "OptionC": "10 + 2x - 3",
    "OptionD": "10 - 2x - 6",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Equivalent Expressions",
    "Item": 12,
    "Type": "multiple choice",
    "Path": "algebra/equivalent-expressions"
  },
  {
    "Question": "What is the simplified form of the expression 2(x + 4) + 3x?",
    "Answer": "A",
    "Explanation": "Distributing gives 2x + 8 + 3x = 5x + 8.",
    "PictureURL": "",
    "OptionA": "5x + 8",
    "OptionB": "5x + 4",
    "OptionC": "2x + 8",
    "OptionD": "2x + 4",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Simplifying Expressions",
    "Item": 13,
    "Type": "multiple choice",
    "Path": "algebra/simplifying-expressions"
  },
  {
    "Question": "Evaluate the expression 3x^2 - 2x + 1 when x = 1.",
    "Answer": "C",
    "Explanation": "Substituting x: 3(1^2) - 2(1) + 1 = 3(1) - 2 + 1 = 3 - 2 + 1 = 2.",
    "PictureURL": "",
    "OptionA": "1",
    "OptionB": "0",
    "OptionC": "2",
    "OptionD": "3",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Evaluating Expressions",
    "Item": 14,
    "Type": "multiple choice",
    "Path": "algebra/evaluating-expressions"
  },
  {
    "Question": "What is the simplified form of 5x + 2x - 3?",
    "Answer": "B",
    "Explanation": "Combine like terms: (5x + 2x) - 3 = 7x - 3.",
    "PictureURL": "",
    "OptionA": "5x - 3",
    "OptionB": "7x - 3",
    "OptionC": "2x - 3",
    "OptionD": "8x - 3",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions Practice Test",
    "Content Type": "Practice Test",
    "Title": "Simplifying Expressions",
    "Item": 15,
    "Type": "multiple choice",
    "Path": "algebra/simplifying-expressions"
  }
]