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Algebra I Practice Flashcards

6 cards from real SOL 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 I Practice flashcards as text

  1. Solve for x: 3x + 7 = 22

    Answer: x = 5

    Subtract 7 from both sides to get 3x = 15, then divide by 3 to get x = 5.

  2. What is the slope of the line represented by the equation y = 4x - 9?

    Answer: 4

    In slope-intercept form y = mx + b, m is the slope, so the slope here is 4.

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

    Answer: 14x - 15

    Distribute 5 to get 10x - 15, then combine with 4x to get 14x - 15.

  4. Which of the following is a factor of x^2 - 9?

    Answer: x - 3

    x^2 - 9 is a difference of squares, factoring to (x - 3)(x + 3).

  5. A system of equations is y = 2x + 1 and y = -x + 7. What is the solution?

    Answer: (2, 5)

    Setting 2x + 1 = -x + 7 gives 3x = 6, so x = 2, and y = 2(2) + 1 = 5.

  6. What is the value of the function f(x) = x^2 - 2x + 1 when x = 3?

    Answer: 4

    f(3) = 3^2 - 2(3) + 1 = 9 - 6 + 1 = 4.