Test your knowledge of Unit 2

About this quiz


1.  Find the solution for the system of equations:      x + 3y = 1
                                                                                                  5y = 2x + 20

  (2 , -5)

  (-5 , 2)

  (50/9, 511/18)

  none of these






2.  Find a second point on the line with slope m = 9 passing through the point (4,- 8).

  (4 ,1)

 (13, - 7)

 (5,1)

 none of these





3.  Find the slope of the line 4x - 2y = 19.

  m = 2

  m = 4

  m = 1/2

  none of these





4. Find an equation of the line through the points (10,4) and (4,12)

  y =  -3/4 x + 3/52

  y =  4

  y =   -4/3 x + 52/3

  none of these





5.  Write a system of equations to represent the following problem and solve:   Sue has 33 bills, some fives and some tens, that have a total value of $230.   How many of each kind of bill does she have?

  3 tens and 30 fives

  20 tens and 13 fives

  13 tens and 20 fives

  none of these






6.   Write a system of equations to represent the following problem and solve:

   The difference of two numbers is -1.  Twice the smaller is 38 more than the larger.  Find the numbers.

  39 and 40

  36 and 37

  12 and 13

  none of these





7.  Solve for y:   2x - 3y = 18

  y = -6 + (2/3)x

  y = 6 - (2/3)x

  y = -6 + 2x

  none of these





8.  Find the x-intercept of the line 2x + 3y = - 6

  (-3,0)

  (0,-3)

  (0,-2)

  none of these





9.  The graph of the equation x=2 is a ...

  horizontal line

  vertical line

  neither






10.  The y-intercept of the line - 5x - 2y = 15

  (0,-3)

  (0,-15/2)

  (-3, 0)

  none of these