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Mathematical Knowledge Principles Flashcards

7 cards from real AFOQT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Mathematical Knowledge Principles flashcards as text

  1. If 3x - 7 = 2x + 5, what is the value of x?

    Answer: 12

    Subtract 2x from both sides to get x - 7 = 5, then add 7 to get x = 12.

  2. What is the area of a triangle with a base of 10 and a height of 6?

    Answer: 30

    Area equals one-half base times height, so (1/2)(10)(6) = 30.

  3. Simplify the expression: 4(2x + 3) - 5x.

    Answer: 3x + 12

    Distribute to get 8x + 12, then subtract 5x to get 3x + 12.

  4. What is 25% of 80?

    Answer: 20

    25% equals one-quarter, and 80 divided by 4 is 20.

  5. If a square has a perimeter of 36, what is the length of one side?

    Answer: 9

    A square has four equal sides, so 36 divided by 4 equals 9.

  6. What is the value of 2³ + 3²?

    Answer: 17

    2³ equals 8 and 3² equals 9, and 8 + 9 = 17.

  7. Solve for y: y/4 = 9.

    Answer: 36

    Multiply both sides by 4 to get y = 36.