Section 5.2 - Different Forms Of The Equation Of A Line

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| By Seixeiroda
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Seixeiroda
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    1/10 Questions

  • Express the equation 3x - 2y = 12 in the form y = mx + b

    • Y = 2/3x - 6
    • Y = -2/3 - 6
    • Y = 3/2x - 6
    • Y = -3/2 - 6
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About This Quiz

This quiz focuses on transforming linear equations into the slope-intercept form and analyzing properties of linear graphs.

Section 5.2 - Different Forms Of The Equation Of A Line - Quiz
Questions and Answers
  • 2. 

    Express the equation 5.4x - 1.80y + 3.6 = 0 in the form y = mx + b

    • Y = -3x - 2

    • Y = -3x + 2

    • Y = 3x - 2

    • Y = 3x + 2

    Correct Answer
    A. Y = 3x + 2
    Explanation
    The equation 5.4x - 1.80y + 3.6 = 0 can be rearranged to isolate the variable y. By moving the terms around, we get -1.80y = -5.4x - 3.6. Dividing both sides of the equation by -1.80, we find that y = 3x + 2. Therefore, the correct answer is y = 3x + 2.

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  • 3. 
    Which graph is the graph of the linear relation -4x + 6y = -12? - ProProfs

    Which graph is the graph of the linear relation -4x + 6y = -12?

    • Graph a

    • Graph b

    • Graph c

    • Graph d

    Correct Answer
    A. Graph b
    Explanation
    The graph of the linear relation -4x + 6y = -12 can be determined by rearranging the equation to solve for y. By isolating y, we get y = (2/3)x - 2. This equation is in the form y = mx + b, where m is the slope and b is the y-intercept. Comparing this equation with the equation of a straight line, we can see that the slope is 2/3 and the y-intercept is -2. Therefore, the correct graph would be the one that has a slope of 2/3 and a y-intercept of -2, which is Graph b.

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  • 4. 
    Which graph is the graph of the linear relation 1/3x - 3y + 1/6 = 0 - ProProfs

    Which graph is the graph of the linear relation 1/3x - 3y + 1/6 = 0

    • Graph a

    • Graph b

    • Graph c

    • Graph d

    Correct Answer
    A. Graph c
    Explanation
    The given linear relation can be rearranged to the standard form of a linear equation, which is y = mx + b. In this case, the equation becomes y = (1/6)x - 1/18. By comparing the equation with the slope-intercept form, we can determine that the slope of the line is 1/6 and the y-intercept is -1/18. Looking at the graphs, Graph c is the only one that has a slope of 1/6 and intersects the y-axis at -1/18. Therefore, Graph c is the correct graph for the given linear relation.

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  • 5. 
    Use the graph to determine the slope and y-intercept of the line - ProProfs

    Use the graph to determine the slope and y-intercept of the line

    • M = 5/2, b = -4

    • M = -5/2, b = -4

    • M = 2/5, b = -4

    • M = -2/5, b = -4

    Correct Answer
    A. M = 5/2, b = -4
    Explanation
    The slope-intercept form of a linear equation is y = mx + b, where m is the slope and b is the y-intercept. In this case, the given equation is y = (5/2)x - 4. Therefore, the slope is 5/2 and the y-intercept is -4.

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  • 6. 
    Use the graph to determine the slope and y-intercept of the line - ProProfs

    Use the graph to determine the slope and y-intercept of the line

    • M = 4, b = 2

    • M = -4, b = 2

    • M = 1/4, b = 2

    • M = -1/4, b = 2

    Correct Answer
    A. M = -1/4, b = 2
    Explanation
    The slope of a line represents the rate of change of the line, or how steep it is. In this case, the slope is -1/4, which means that for every increase of 1 in the x-coordinate, the y-coordinate decreases by 1/4. The y-intercept, represented by the value of b, is the point where the line intersects the y-axis. In this case, the y-intercept is 2, which means that the line crosses the y-axis at the point (0, 2). Therefore, the correct answer is m = -1/4, b = 2.

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  • 7. 

    Describe the line whose equation is -2/3x - y = - 9

    • The y-intercept of the line is -9. The slope of the line is negative and it falls 2 units for every 3 units it runs

    • The y-intercept of the line is -9. The slope of the line is positive and it rises 2 units for every 3 units it runs

    • The y-intercept of the line is 9. The slope of the line is negative and it falls 2 units for every 3 units it runs

    • The y-intercept of the line is 9. The slope of the line is positive and it rises 2 units for every 3 units it runs

    Correct Answer
    A. The y-intercept of the line is 9. The slope of the line is negative and it falls 2 units for every 3 units it runs
    Explanation
    The given equation represents a line with a y-intercept of 9 and a slope of -2/3. This means that the line intersects the y-axis at the point (0, 9) and for every 3 units it runs horizontally (in the x-direction), it falls 2 units vertically (in the y-direction). Therefore, the correct answer is "The y-intercept of the line is 9. The slope of the line is negative and it falls 2 units for every 3 units it runs."

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  • 8. 

    Determine the slope and y-intercept of the line 6x - 2y + 10 = 0

    • M = - 3, b = - 5

    • M = 3, b = 5

    • M = - 1/3, b = - 5

    • M = 1/3, b = 5

    Correct Answer
    A. M = 3, b = 5
    Explanation
    The given equation is in the form y = mx + b, where m is the slope and b is the y-intercept. By rearranging the equation, we get -2y = -6x - 10, which simplifies to y = 3x + 5. Therefore, the slope (m) is 3 and the y-intercept (b) is 5.

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  • 9. 

    Determine the slope and y-intercept of the line 2.6x + 4.4y - 12.8 = 0

    • M = 0.59, b = -2.9

    • M = 2.9, b = -0.59

    • M = -13/22, b = 32/11

    • M = -32/11, b = -13/22

    Correct Answer
    A. M = -13/22, b = 32/11
    Explanation
    The given equation is in the form of Ax + By + C = 0, where A = 2.6, B = 4.4, and C = -12.8. To determine the slope and y-intercept, we need to rearrange the equation into the slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept.

    First, isolate the y term by subtracting 2.6x from both sides of the equation:
    4.4y = -2.6x + 12.8

    Next, divide both sides of the equation by 4.4 to solve for y:
    y = (-2.6/4.4)x + (12.8/4.4)

    Simplifying the equation gives us:
    y = (-13/22)x + (32/11)

    Comparing this equation to y = mx + b, we can see that the slope (m) is -13/22 and the y-intercept (b) is 32/11. Therefore, the correct answer is m = -13/22, b = 32/11.

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  • 10. 

    Dylan gets paid a flat rate of $10 per fare plus $0.25 for each km he drives his taxi.  Which equation best represents this linear relation?

    • Y = 10x + 0.25

    • Y = -10x + 0.25

    • Y = -0.25x + 10

    • Y = 0.25x + 10

    Correct Answer
    A. Y = 0.25x + 10
    Explanation
    The equation y = 0.25x + 10 represents the linear relation between the amount Dylan gets paid (y) and the distance he drives his taxi (x). The flat rate of $10 per fare is represented by the constant term 10 in the equation. The additional $0.25 for each km is represented by the coefficient 0.25 of the x term in the equation. Therefore, this equation best represents the given situation.

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  • Current Version
  • Aug 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 28, 2008
    Quiz Created by
    Seixeiroda

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