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Algebra and Patterns Flashcards

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

Read the first 6 Algebra and Patterns flashcards as text

  1. Which expression represents 'seven less than three times a number n'?

    Answer: 3n − 7

    'Three times a number n' is 3n, and 'seven less than' means subtract 7 from it, giving 3n − 7.

  2. What is the value of 4x − 3 when x = 5?

    Answer: 17

    Substitute x = 5: 4(5) − 3 = 20 − 3 = 17.

  3. A number pattern begins: 3, 7, 11, 15, … What is the next number?

    Answer: 19

    Each term increases by 4. Adding 4 to 15 gives 19.

  4. Solve for y: 2y + 6 = 18

    Answer: y = 6

    Subtract 6 from both sides: 2y = 12. Divide both sides by 2: y = 6.

  5. If a = 3 and b = 4, what is the value of 2a² − b?

    Answer: 14

    2(3²) − 4 = 2(9) − 4 = 18 − 4 = 14.

  6. Which equation has the solution x = 7?

    Answer: 3x − 4 = 17

    3(7) − 4 = 21 − 4 = 17. ✓ The other equations do not equal their right-hand sides when x = 7.