[
  {
    "Question": "What is the simplified form of the expression 3x + 5x - 2x?",
    "Answer": "B",
    "Explanation": "Combine like terms: 3x + 5x = 8x, then 8x - 2x = 6x.",
    "PictureURL": "",
    "OptionA": "10x",
    "OptionB": "6x",
    "OptionC": "0",
    "OptionD": "8x",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Simplifying Algebraic Expressions",
    "Item": 1,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Simplify the expression: 4(2x - 3) + 5x.",
    "Answer": "C",
    "Explanation": "Distribute 4: 4*2x=8x, 4*(-3)=-12. Then add 5x: 8x + 5x - 12 = 13x - 12.",
    "PictureURL": "",
    "OptionA": "8x - 15",
    "OptionB": "13x + 12",
    "OptionC": "13x - 12",
    "OptionD": "8x + 15",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Simplifying Algebraic Expressions",
    "Item": 2,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "What is the result of simplifying (x + 3)(x - 2)?",
    "Answer": "A",
    "Explanation": "Use FOIL: x*x = x², x*(-2) = -2x, 3*x = 3x, 3*(-2) = -6. Combine like terms: x² + (3x - 2x) - 6 = x² + x - 6.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/FOIL_method.svg/2560px-FOIL_method.svg.png",
    "OptionA": "x² + x - 6",
    "OptionB": "x² - 5x + 6",
    "OptionC": "x² + 5x - 6",
    "OptionD": "x² - x - 6",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Multiplying Binomials",
    "Item": 3,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Simplify the expression: 2x² - 3x + 4x² + x.",
    "Answer": "B",
    "Explanation": "Combine like terms: 2x² + 4x² = 6x², and -3x + x = -2x. So the expression is 6x² - 2x.",
    "PictureURL": "",
    "OptionA": "6x² + 2x",
    "OptionB": "6x² - 2x",
    "OptionC": "8x² - 2x",
    "OptionD": "2x² + 4x",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Combining Like Terms",
    "Item": 4,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Factor the expression: x² - 9.",
    "Answer": "D",
    "Explanation": "This is a difference of squares: x² - 3² = (x - 3)(x + 3).",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Difference_of_squares.svg/2560px-Difference_of_squares.svg.png",
    "OptionA": "(x - 9)(x + 1)",
    "OptionB": "(x - 1)(x + 9)",
    "OptionC": "(x - 4)(x + 5)",
    "OptionD": "(x - 3)(x + 3)",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Factoring Difference of Squares",
    "Item": 5,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Simplify: (3x²y)(2xy²).",
    "Answer": "C",
    "Explanation": "Multiply coefficients: 3*2=6. Add exponents of like bases: x² * x = x³, y * y² = y³. So, 6x³y³.",
    "PictureURL": "",
    "OptionA": "5x³y³",
    "OptionB": "6x²y³",
    "OptionC": "6x³y³",
    "OptionD": "6x³y²",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Multiplying Algebraic Terms",
    "Item": 6,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "What is the simplified form of 5(x - 2) - 3(x + 4)?",
    "Answer": "B",
    "Explanation": "Distribute: 5x - 10 - 3x - 12 = (5x - 3x) + (-10 - 12) = 2x - 22.",
    "PictureURL": "",
    "OptionA": "2x + 22",
    "OptionB": "2x - 22",
    "OptionC": "8x - 2",
    "OptionD": "15x - 8",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Simplifying Expressions with Distribution",
    "Item": 7,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Factor completely: 6x² + 9x.",
    "Answer": "D",
    "Explanation": "Find the greatest common factor (GCF) of 6x² and 9x, which is 3x. Factor it out: 3x(2x + 3).",
    "PictureURL": "",
    "OptionA": "3(2x + 3x)",
    "OptionB": "6x(x + 1.5)",
    "OptionC": "3x(3x + 2)",
    "OptionD": "3x(2x + 3)",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Factoring by GCF",
    "Item": 8,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Simplify: (2x + 3) - (x - 5).",
    "Answer": "A",
    "Explanation": "Remove parentheses carefully: 2x + 3 - x + 5 = (2x - x) + (3 + 5) = x + 8.",
    "PictureURL": "",
    "OptionA": "x + 8",
    "OptionB": "3x - 2",
    "OptionC": "x - 8",
    "OptionD": "x + 2",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Simplifying Expressions with Subtraction",
    "Item": 9,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "What is the simplified form of 7a - 2(3a - 4)?",
    "Answer": "C",
    "Explanation": "Distribute -2: 7a - 6a + 8 = (7a - 6a) + 8 = a + 8.",
    "PictureURL": "",
    "OptionA": "a - 8",
    "OptionB": "13a - 8",
    "OptionC": "a + 8",
    "OptionD": "7a - 6a - 8",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Simplifying Expressions with Distribution",
    "Item": 10,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Factor the trinomial: x² + 5x + 6.",
    "Answer": "B",
    "Explanation": "Find two numbers that multiply to 6 and add to 5: 2 and 3. So, (x + 2)(x + 3).",
    "PictureURL": "",
    "OptionA": "(x + 1)(x + 6)",
    "OptionB": "(x + 2)(x + 3)",
    "OptionC": "(x - 2)(x - 3)",
    "OptionD": "(x + 3)(x + 6)",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Factoring Trinomials",
    "Item": 11,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Simplify the expression: (x²y³) / (xy).",
    "Answer": "D",
    "Explanation": "Divide coefficients (1/1=1). Subtract exponents for like bases: x² / x = x^(2-1) = x, y³ / y = y^(3-1) = y². So, x y².",
    "PictureURL": "",
    "OptionA": "x² y²",
    "OptionB": "x y",
    "OptionC": "x y³",
    "OptionD": "x y²",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Simplifying Algebraic Fractions",
    "Item": 12,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Expand and simplify: (x + 4)(x + 5).",
    "Answer": "A",
    "Explanation": "Use FOIL: x*x = x², x*5 = 5x, 4*x = 4x, 4*5 = 20. Combine like terms: x² + 9x + 20.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/FOIL_method.svg/2560px-FOIL_method.svg.png",
    "OptionA": "x² + 9x + 20",
    "OptionB": "x² + 20x + 9",
    "OptionC": "x² + 5x + 4x + 9",
    "OptionD": "x² + 4x + 5x + 20",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Expanding Binomials",
    "Item": 13,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Simplify: 8x - 3(2x - 4) + 5.",
    "Answer": "B",
    "Explanation": "Distribute: 8x - 6x + 12 + 5 = (8x - 6x) + 17 = 2x + 17.",
    "PictureURL": "",
    "OptionA": "2x - 17",
    "OptionB": "2x + 17",
    "OptionC": "11x + 7",
    "OptionD": "8x - 6x - 17",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Simplifying Expressions with Distribution",
    "Item": 14,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  },
  {
    "Question": "Factor completely: x² + 7x + 12.",
    "Answer": "C",
    "Explanation": "Find two numbers that multiply to 12 and add to 7: 3 and 4. So, (x + 3)(x + 4).",
    "PictureURL": "",
    "OptionA": "(x + 1)(x + 12)",
    "OptionB": "(x + 2)(x + 6)",
    "OptionC": "(x + 3)(x + 4)",
    "OptionD": "(x + 4)(x + 5)",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Algebraic Expressions and Simplification Practice Test",
    "Content Type": "multiple choice",
    "Title": "Factoring Trinomials",
    "Item": 15,
    "Type": "multiple choice",
    "Path": "Algebra/Expressions/Simplification"
  }
]