[
  {
    "Question": "What is the slope in the equation y = 3x + 2?",
    "Answer": "A",
    "Explanation": "In the slope-intercept form y = mx + b, 'm' represents the slope. Here, the slope is 3.",
    "PictureURL": "",
    "OptionA": "3",
    "OptionB": "2",
    "OptionC": "0",
    "OptionD": "1",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Understanding Slope",
    "Item": 1,
    "Type": "multiple choice",
    "Path": "linear-functions/slope"
  },
  {
    "Question": "What is the y-intercept in the equation y = -2x + 5?",
    "Answer": "B",
    "Explanation": "The y-intercept is the value of 'b' in the slope-intercept form y = mx + b. Here, it is 5.",
    "PictureURL": "",
    "OptionA": "-2",
    "OptionB": "5",
    "OptionC": "0",
    "OptionD": "1",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Identifying Y-Intercept",
    "Item": 2,
    "Type": "multiple choice",
    "Path": "linear-functions/y-intercept"
  },
  {
    "Question": "Which of the following equations represents a line with a slope of -1?",
    "Answer": "C",
    "Explanation": "The slope of -1 means for every unit increase in x, y decreases by 1. The equation y = -x + 4 has a slope of -1.",
    "PictureURL": "",
    "OptionA": "y = x + 4",
    "OptionB": "y = 2x - 3",
    "OptionC": "y = -x + 4",
    "OptionD": "y = 3x + 1",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Finding the Correct Slope",
    "Item": 3,
    "Type": "multiple choice",
    "Path": "linear-functions/slope-equation"
  },
  {
    "Question": "What is the slope of the line represented by the equation y = 0.5x - 3?",
    "Answer": "A",
    "Explanation": "In the equation y = mx + b, 'm' is the slope. Here, the slope is 0.5.",
    "PictureURL": "",
    "OptionA": "0.5",
    "OptionB": "-3",
    "OptionC": "0",
    "OptionD": "1",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Identifying Slope",
    "Item": 4,
    "Type": "multiple choice",
    "Path": "linear-functions/slope-identification"
  },
  {
    "Question": "If a line has a slope of 2 and passes through the point (1, 3), what is its equation in slope-intercept form?",
    "Answer": "B",
    "Explanation": "Using the point-slope form, y - y1 = m(x - x1), we can find the equation: y - 3 = 2(x - 1) simplifies to y = 2x + 1.",
    "PictureURL": "",
    "OptionA": "y = 2x + 3",
    "OptionB": "y = 2x + 1",
    "OptionC": "y = 2x - 1",
    "OptionD": "y = 3x + 2",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Finding Equation from Point and Slope",
    "Item": 5,
    "Type": "multiple choice",
    "Path": "linear-functions/equation-from-point"
  },
  {
    "Question": "What is the graph of the equation y = -3x + 6?",
    "Answer": "C",
    "Explanation": "The graph of y = -3x + 6 is a straight line with a negative slope, crossing the y-axis at 6.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/5/5d/Linear_function_graph.svg",
    "OptionA": "A horizontal line",
    "OptionB": "A vertical line",
    "OptionC": "A line with a negative slope",
    "OptionD": "A line with a positive slope",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Graphing Linear Equations",
    "Item": 6,
    "Type": "multiple choice",
    "Path": "linear-functions/graphing"
  },
  {
    "Question": "Which point lies on the line represented by the equation y = 4x - 1?",
    "Answer": "A",
    "Explanation": "Substituting (1, 3) into the equation: 3 = 4(1) - 1, which is true. Thus, (1, 3) lies on the line.",
    "PictureURL": "",
    "OptionA": "(1, 3)",
    "OptionB": "(2, 5)",
    "OptionC": "(0, -1)",
    "OptionD": "(3, 10)",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Finding Points on a Line",
    "Item": 7,
    "Type": "multiple choice",
    "Path": "linear-functions/points-on-line"
  },
  {
    "Question": "What is the slope of the line that passes through the points (2, 3) and (4, 7)?",
    "Answer": "B",
    "Explanation": "The slope is calculated as (y2 - y1) / (x2 - x1) = (7 - 3) / (4 - 2) = 4 / 2 = 2.",
    "PictureURL": "",
    "OptionA": "1",
    "OptionB": "2",
    "OptionC": "3",
    "OptionD": "4",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Calculating Slope from Points",
    "Item": 8,
    "Type": "multiple choice",
    "Path": "linear-functions/slope-from-points"
  },
  {
    "Question": "What is the equation of a line with a slope of 1 and a y-intercept of -2?",
    "Answer": "C",
    "Explanation": "Using the slope-intercept form, the equation is y = 1x - 2, which simplifies to y = x - 2.",
    "PictureURL": "",
    "OptionA": "y = -2x + 1",
    "OptionB": "y = 1x + 2",
    "OptionC": "y = x - 2",
    "OptionD": "y = 2x - 1",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Writing Equation from Slope and Intercept",
    "Item": 9,
    "Type": "multiple choice",
    "Path": "linear-functions/equation-from-slope-intercept"
  },
  {
    "Question": "Which of the following is the correct graph for the equation y = 2x + 3?",
    "Answer": "D",
    "Explanation": "The graph of y = 2x + 3 is a straight line with a positive slope, crossing the y-axis at 3.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/8/8c/Linear_function_graph_2.svg",
    "OptionA": "A line with a negative slope",
    "OptionB": "A horizontal line",
    "OptionC": "A vertical line",
    "OptionD": "A line with a positive slope",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Graphing Positive Slope",
    "Item": 10,
    "Type": "multiple choice",
    "Path": "linear-functions/graph-positive-slope"
  },
  {
    "Question": "What is the slope of the line represented by the equation y = -4x + 1?",
    "Answer": "A",
    "Explanation": "In the equation y = mx + b, 'm' is the slope. Here, the slope is -4.",
    "PictureURL": "",
    "OptionA": "-4",
    "OptionB": "1",
    "OptionC": "0",
    "OptionD": "4",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Identifying Negative Slope",
    "Item": 11,
    "Type": "multiple choice",
    "Path": "linear-functions/negative-slope"
  },
  {
    "Question": "If a line has a slope of 0, what type of line does it represent?",
    "Answer": "B",
    "Explanation": "A slope of 0 indicates a horizontal line, meaning there is no vertical change as x changes.",
    "PictureURL": "",
    "OptionA": "A vertical line",
    "OptionB": "A horizontal line",
    "OptionC": "A diagonal line",
    "OptionD": "A curved line",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Understanding Zero Slope",
    "Item": 12,
    "Type": "multiple choice",
    "Path": "linear-functions/zero-slope"
  },
  {
    "Question": "Which equation represents a line parallel to y = 2x + 1?",
    "Answer": "C",
    "Explanation": "Parallel lines have the same slope. The equation y = 2x - 4 has the same slope of 2.",
    "PictureURL": "",
    "OptionA": "y = -2x + 1",
    "OptionB": "y = 3x + 1",
    "OptionC": "y = 2x - 4",
    "OptionD": "y = 1/2x + 1",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Identifying Parallel Lines",
    "Item": 13,
    "Type": "multiple choice",
    "Path": "linear-functions/parallel-lines"
  },
  {
    "Question": "What is the y-intercept of the line represented by the equation y = -x + 7?",
    "Answer": "B",
    "Explanation": "The y-intercept is the value of 'b' in the slope-intercept form y = mx + b. Here, it is 7.",
    "PictureURL": "",
    "OptionA": "-1",
    "OptionB": "7",
    "OptionC": "0",
    "OptionD": "1",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Identifying Y-Intercept",
    "Item": 14,
    "Type": "multiple choice",
    "Path": "linear-functions/y-intercept-identification"
  },
  {
    "Question": "Which of the following points is NOT on the line y = 3x + 2?",
    "Answer": "D",
    "Explanation": "To check if a point is on the line, substitute the x-value into the equation. (1, 5) is not on the line since 5 ≠ 5.",
    "PictureURL": "",
    "OptionA": "(0, 2)",
    "OptionB": "(1, 5)",
    "OptionC": "(2, 8)",
    "OptionD": "(3, 11)",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Linear Functions Practice Test",
    "Content Type": "Mathematics",
    "Title": "Identifying Points Not on a Line",
    "Item": 15,
    "Type": "multiple choice",
    "Path": "linear-functions/not-on-line"
  }
]