Try It

Linear Equations Practice

  1. Which of the following does y = mx + b represent?
    1. slope intercept form
    2. standard form
    3. slope
    4. y intercept

    Answer: a. slope intercept form

  2. Which of the following does this formula represent? m = [(ysub2 - ysub1)/(xsub2 - xsub1)]
    1. slope intercept form
    2. standard form
    3. slope
    4. y intercept

    Answer: c. slope

  3. Identify the slope in the graph shown. graph with line passing through 3 on x axis and -2 on the y axis
    1. m = 2/3
    2. m = 3/2
    3. m = -2/3
    4. m = -3/2

    Answer: a. 2/3

  4. Identify the slope in the graph shown. graph with line passing through -2 on x axis and -3 on the y axis
    1. m = 2/3
    2. m = 3/2
    3. m = -2/3
    4. m = -3/2

    Answer: d. -3/2

  5. What is the y intercept of this line? graph with line passing through -2 on x axis and -3 on the y axis
    1. -2
    2. -3
    3. 2
    4. 3

    Answer: b. -3

  6. What is the y intercept of this line? graph with line passing through -3 on x axis and 2 on the y axis
    1. -2
    2. -3
    3. 2
    4. 3

    Answer: c. 2

  7. Write a linear equation y = mx + b for the following information: (3, 15); (7, 23)
    1. y = 2x + 9
    2. y = 2x - 10
    3. y = 3x + 15
    4. y = 3x + 4

    Answer: a. y = 2x + 9

  8. Write a linear equation y = mx + b for the following information: m = 4; (5, 19)
    1. y = 4x - 1
    2. y = 4x + 19
    3. y = 5x + 19
    4. y = 5x + 14

    Answer: a. y = 4x - 1

  9. Write a linear equation y = mx + b for the following information: m: -2/5, b: -6
    1. y = -2/5x - 6
    2. y = -6x - 2/5
    3. y = -6/5x
    4. y = 12/5x

    Answer: a. y = -2/5x - 6

  10. Write a linear equation y = mx + b for the following information: m = 2/3, (6, 10)
    1. y = 2/3x + 6
    2. y = 2/36x + 4
    3. y = 6x + 10
    4. y = 2x + 3

    Answer: a. y = 2/3x + 6

If you missed more than two questions, review the questions again.