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Linear Equations Flashcards

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

Read the first 6 Linear Equations flashcards as text

  1. What is the equation of a line with slope 3 passing through (0, -1)?

    Answer: y = 3x - 1

    Using y = mx + b with m = 3 and b = -1 gives y = 3x - 1.

  2. Solve for y: 7y = 49

    Answer: y = 7

    Divide both sides by 7 to get y = 7.

  3. Which value of x makes x/3 = 5 true?

    Answer: x = 15

    Multiply both sides by 3 to get x = 15.

  4. What is the slope of a horizontal line?

    Answer: 0

    A horizontal line has no rise for any run, so its slope is 0.

  5. Solve: 2(3x + 1) = 14

    Answer: x = 2

    Distribute to get 6x + 2 = 14, subtract 2 to get 6x = 12, then divide by 6 to get x = 2.

  6. If y = 2x + 1, what is y when x = 4?

    Answer: 9

    Substitute x = 4 to get y = 2(4) + 1 = 9.