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OAR Math Skills: Algebraic Expressions Flashcards

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

Read the first 7 OAR Math Skills: Algebraic Expressions flashcards as text

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

    Answer: 11x - 12

    Distribute 3 to get 6x - 12, then add 5x to get 11x - 12.

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

    Answer: 24

    2(9) - 3(-2) = 18 + 6 = 24.

  3. Which expression is equivalent to 4x² - 8x?

    Answer: 4x(x - 2)

    Factor out 4x: 4x(x - 2) = 4x² - 8x.

  4. What is the degree of the polynomial 5x³ - 2x + 7?

    Answer: 3

    The degree is determined by the highest exponent, which is 3.

  5. Evaluate: (x + y)² when x = 2 and y = -5

    Answer: 9

    (2 + (-5))² = (-3)² = 9.

  6. Simplify: (3x²)(4x³)

    Answer: 12x⁵

    Multiply coefficients (3×4=12) and add exponents (2+3=5) to get 12x⁵.

  7. Which value of x satisfies 5x - 3 = 2x + 9?

    Answer: 4

    Subtract 2x from both sides: 3x - 3 = 9, so 3x = 12 and x = 4.

OAR Math Skills: Algebraic Expressions Flashcards — OAR Study Cards with Answers