Graphing Linear Equations Unit Test

18 Questions | Total Attempts: 271

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Graphing Linear Equations Unit Test

Questions and Answers
  • 1. 
    A line has an x-intercept of 4 and y-intercept of 7.
    1. Write an equation in slope intercept form for the line
    2. Write an equation that is parallel to this line,
    3. Write an equation that is perpendicular to the line from part a. 
  • 2. 
    What is the y intercept of the line?
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      4

  • 3. 
    What is the slope of the line?
    • A. 

      Positive

    • B. 

      Negative

    • C. 

      Zero

    • D. 

      Undefined

  • 4. 
    What is the slope of the line that passes through the points (-3,7) and (-9,4)?
    • A. 

      1/2

    • B. 

      10/13

    • C. 

      -1/4

    • D. 

      2

  • 5. 
    Which line has a slope of 0?
    • A. 

      Line A

    • B. 

      Line B

    • C. 

      Line C

    • D. 

      Line D

  • 6. 
    Which line has an undefined slope?
    • A. 

      Line A

    • B. 

      Line B

    • C. 

      Line C

    • D. 

      Line D

  • 7. 
    The line y = -7 is:
    • A. 

      Horizontal

    • B. 

      Vertical

    • C. 

      Neither

    • D. 

      Cannot be determined

  • 8. 
    The line x = 5 is:
    • A. 

      Horizontal

    • B. 

      Vertical

    • C. 

      Neither

    • D. 

      Cannot be determined

  • 9. 
    Which graph shows the equation y = x + 4A.B.C.D.
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 10. 
    Which of the following lines is not perpendicular to 
    • A. 

      Y = 0.4 x – 7

    • B. 

      -2x + 5y = 8

    • C. 

      Y=(2/5)x + 4

    • D. 

      2y = 5x + 1.5

  • 11. 
    Which equation represents a line that intersects  at exactly one point?
    • A. 

      Y = -(1/3)x - 5

    • B. 

      Y = -(2/6)x + 10

    • C. 

      Y = -(1/3)x + 3

    • D. 

      Y = (1/3)x - 3

  • 12. 
    Which description best compares the graphs given by the equations 3x – y = 5 and 2x + 6y = 24?
    • A. 

      Parallel

    • B. 

      Coinciding

    • C. 

      Perpendicular

    • D. 

      Intersecting but not perpendicular

  • 13. 
    Which description best compares the graphs given by the equations x – 5y = -5 and 5x – 25y = 75?
    • A. 

      Parallel

    • B. 

      Coinciding

    • C. 

      Perpendicular

    • D. 

      Intersecting but not perpendicular

  • 14. 
    Which equation represents a line parallel to the x-axis?
    • A. 

      Y = -5

    • B. 

      Y = -5x

    • C. 

      X = 3

    • D. 

      X = 3y

  • 15. 
    What is an equation of the line that passes through the point (3,−1) and has a slope of 2?
    • A. 

      Y = 2x + 5

    • B. 

      Y = 2x − 1

    • C. 

      Y = 2x – 4

    • D. 

      Y = 2x - 7

  • 16. 
    Create a table of values for the equation , plot the points and graph the equationUse GeoGebra and share
  • 17. 
    Write the equation of the line that is parallel to y = -x + 4 and goes through the point (6,-3).
  • 18. 
    You start a lawn mowing service. You pay $75 for the lawn mower and plan on charging $25 per lawn. Write an equation to relate your income y to the number of lawns you mow x.