[
  {
    "Question": "What is the solution to the linear equation 3x - 7 = 11?",
    "Answer": "B",
    "Explanation": "Add 7 to both sides: 3x = 18. Then divide both sides by 3: x = 6.",
    "PictureURL": "",
    "OptionA": "x = 4",
    "OptionB": "x = 6",
    "OptionC": "x = -6",
    "OptionD": "x = 18",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 1,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "Solve for x: 5x + 2 < 17.",
    "Answer": "A",
    "Explanation": "Subtract 2 from both sides: 5x < 15. Divide both sides by 5: x < 3.",
    "PictureURL": "",
    "OptionA": "x < 3",
    "OptionB": "x > 3",
    "OptionC": "x ≤ 3",
    "OptionD": "x ≥ 3",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 2,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "Which of the following is the graph of the equation y = 2x + 1?",
    "Answer": "C",
    "Explanation": "The equation y = 2x + 1 is a line with slope 2 and y-intercept 1.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Linear_function_graph.svg/200px-Linear_function_graph.svg.png",
    "OptionA": "A line with slope -2 and y-intercept 1",
    "OptionB": "A parabola opening upwards",
    "OptionC": "A line with slope 2 and y-intercept 1",
    "OptionD": "A horizontal line at y = 1",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 3,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "If 4x - 5 = 3x + 7, what is the value of x?",
    "Answer": "D",
    "Explanation": "Subtract 3x from both sides: x - 5 = 7. Add 5 to both sides: x = 12.",
    "PictureURL": "",
    "OptionA": "x = -12",
    "OptionB": "x = 2",
    "OptionC": "x = -2",
    "OptionD": "x = 12",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 4,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "Which inequality represents all x such that x is greater than or equal to -4?",
    "Answer": "B",
    "Explanation": "The inequality x ≥ -4 means x is greater than or equal to -4.",
    "PictureURL": "",
    "OptionA": "x > -4",
    "OptionB": "x ≥ -4",
    "OptionC": "x ≤ -4",
    "OptionD": "x < -4",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 5,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "Solve the inequality: 2(3x - 4) > 10.",
    "Answer": "C",
    "Explanation": "Distribute 2: 6x - 8 > 10. Add 8: 6x > 18. Divide by 6: x > 3.",
    "PictureURL": "",
    "OptionA": "x < 3",
    "OptionB": "x ≥ 3",
    "OptionC": "x > 3",
    "OptionD": "x ≤ 3",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 6,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "What is the slope of the line passing through points (2, 3) and (5, 11)?",
    "Answer": "D",
    "Explanation": "Slope m = (11 - 3) / (5 - 2) = 8 / 3.",
    "PictureURL": "",
    "OptionA": "3/8",
    "OptionB": "8",
    "OptionC": "5",
    "OptionD": "8/3",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 7,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "Which of the following is the standard form of the equation y = 3x - 4?",
    "Answer": "A",
    "Explanation": "Standard form is Ax + By = C. Rearranged: -3x + y = -4 or 3x - y = 4.",
    "PictureURL": "",
    "OptionA": "3x - y = 4",
    "OptionB": "y = 3x - 4",
    "OptionC": "y - 3x = 4",
    "OptionD": "3y - x = 4",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 8,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "If 7x + 2 ≤ 23, what is the greatest integer value of x?",
    "Answer": "B",
    "Explanation": "Subtract 2: 7x ≤ 21. Divide by 7: x ≤ 3. Greatest integer x is 3.",
    "PictureURL": "",
    "OptionA": "2",
    "OptionB": "3",
    "OptionC": "4",
    "OptionD": "5",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 9,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "What is the y-intercept of the line 4x + 2y = 8?",
    "Answer": "C",
    "Explanation": "Set x=0: 2y=8 → y=4. So y-intercept is 4.",
    "PictureURL": "",
    "OptionA": "2",
    "OptionB": "8",
    "OptionC": "4",
    "OptionD": "0",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 10,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "Which inequality represents the solution set for x if 3x - 5 ≥ 1?",
    "Answer": "A",
    "Explanation": "Add 5: 3x ≥ 6. Divide by 3: x ≥ 2.",
    "PictureURL": "",
    "OptionA": "x ≥ 2",
    "OptionB": "x ≤ 2",
    "OptionC": "x > 2",
    "OptionD": "x < 2",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 11,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "Find the solution to the system of equations: 2x + y = 7 and x - y = 1.",
    "Answer": "B",
    "Explanation": "Add equations: (2x + y) + (x - y) = 7 + 1 → 3x = 8 → x = 8/3. Substitute x: (8/3) - y = 1 → y = (8/3) - 1 = 5/3.",
    "PictureURL": "",
    "OptionA": "(x, y) = (3, 1)",
    "OptionB": "(x, y) = (8/3, 5/3)",
    "OptionC": "(x, y) = (2, 3)",
    "OptionD": "(x, y) = (1, 2)",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 12,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "What is the solution to the inequality -2x + 3 > 7?",
    "Answer": "D",
    "Explanation": "Subtract 3: -2x > 4. Divide by -2 and reverse inequality: x < -2.",
    "PictureURL": "",
    "OptionA": "x > -2",
    "OptionB": "x ≥ -2",
    "OptionC": "x ≤ -2",
    "OptionD": "x < -2",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 13,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "Which of the following is NOT a solution to the equation 2x + 3 = 11?",
    "Answer": "C",
    "Explanation": "Solve: 2x = 8 → x = 4. So any value other than 4 is not a solution.",
    "PictureURL": "",
    "OptionA": "x = 4",
    "OptionB": "x = 4.0",
    "OptionC": "x = 5",
    "OptionD": "x = 3.999",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 14,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  },
  {
    "Question": "If the inequality 3x + 4 ≤ 10 is true, which of the following is a possible value of x?",
    "Answer": "A",
    "Explanation": "Subtract 4: 3x ≤ 6. Divide by 3: x ≤ 2. So x can be 2 or less.",
    "PictureURL": "",
    "OptionA": "x = 0",
    "OptionB": "x = 3",
    "OptionC": "x = 4",
    "OptionD": "x = 5",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Equations and Inequalities Practice Test",
    "Content Type": "multiple choice",
    "Title": "Linear Equations and Inequalities",
    "Item": 15,
    "Type": "multiple choice",
    "Path": "Subtopics: — Linear equations and inequalities"
  }
]