1.   A line contains the points whose coordinates are listed in the table. Determine the slope of the line.
   
    A. B.
    C. D.
    Hint

  2.   Which information is enough to write a linear equation in point-slope form?
    A. the x-coordinates of two points on the line B. the slope of the line
    C. the y-coordinates of two points on the line D. the  x- and  y-coordinates of two points on the line
    Hint

  3.   Consider the scatter plot below. Which statement is not true about this scatter plot?
   
    A. There appears to be a positive relationship. B. There appears to be a negative relationship.
    C. As the values of x increase, the values of y increase. D. If a line was drawn approximately through the points on the scatter plot, the line would have a positive slope.
    Hint

  4.   If a line is drawn through points on a scatter plot and a negative relationship is shown, then _____.
    A. the slope of the line is 0 B. as the values of x increase, the values of y decrease
    C. as the values of x increase, the values of y increase D. the slope of the line is undefined.
    Hint

  5.   Determine the slope and y-intercept of the graph of –4 + 2y = 8x.
    A. m = 4; b = 2
    B.
    C.
    D. m = 2; b = 4
    Hint

  6.   To graph the equation by using the slope and y-intercept, you would ________.
    A. graph the point at (–2, 0). Then go up 5 units and right 2 units. This will be the point at (0, 5). Then draw the line through points at
(–2, 0) and (0, 5).
    B. graph the point at (0, –2). Then go up 5 units and left 2 units. This will be the point at (–2, 3). Then draw the line through points at
(0, –2) and (–2, 3).
    C. graph the point at (0, –2). Then go up 5 units and right 2 units. This will be the point at (2, 3). Then draw the line through points at
(0, –2) and (2, 3).
    D. graph the point at (0, –2). Then go up 5 units and right 2 units. This will be the point at (3, 2). Then draw the line through points at
(0, –2) and (3, 2).
    Hint

  7.   The graphs of the equations y = –2x – 3 and y = –2x + 3 are a family of graphs because _________.
    A. the slope of each line is –2 B. both slopes are negative
    C. the y-intercepts are opposites D. both equations are solved for y
    Hint

  8.   The graphs of the equations y = –5x + 1 and are a family of graphs because ________.
    A. both equations are solved for y B. the slopes are reciprocals
    C. the slopes are integers D. the y-intercepts are the same
    Hint

  9.   A line contains the points whose coordinates are listed in the table. Determine the slope of the line.
   
    A. - B.
    C. 2 D. -2
    Hint

  10.   Write the point–slope form of an equation for the line passing through
(2, 3) with slope 2.
    A. y – 3 = 2(x – 2) B. y + 2 = 2(x + 3)
    C. y + 3 = 2(x + 2) D. y + 2 = 2(x + 3)
    Hint

  11.   Write an equation in slope–intercept form of the line with slope -5 that passes through the point at (2, 3).
    A. y = -5x + 13 B. y = 4x – 5
    C. y = -5x –7 D. y = 16x – 5
    Hint

  12.   Write an equation in slope–intercept form of the line that passes through the points at (-5, 4) and (3, -1).
    A. y = -x + B. x = -y +
    C. x = y D. y = x
    Hint

  13.   Which two equations have graphs that are parallel?

    A. y = x + 2
4y = 12x + 13

    B. y = 3x – 1
4y = 12x + 13

    C. y = 3x – 1
-3 – y = (x + 2)

    D. y = x + 2
-3 – y = (x + 2)

    Hint

  14.   Which equation is parallel to the graph of y = 2x + and passes through the point (4, 7)?
    A. y = 2x + 3 B. y = x +
    C. y = 2x – 1 D. y = -x +
    Hint



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