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Algebra 2
Practice Quiz 105

Click the circle next to the correct response.
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Answer.

1.  In which quardrant is the point (3,-5)?
  I
II
III
IV		 2.  Which is the x-intercept of 4x + 2y = 10 ?
5/2
-5/2
5
3. Which is a solution to  4x + 2y > 10 ?
 y > 2x + 5
y > -2x + 5
y < -2x + 10		 4.  Which is the y-intercept of 4x + 2y = 10 ?
5/2
7
5
5.  Which is the vertex of y = | x - 2| + 10 ?
(2,10)
(0,10)
(2,0)		 6. Which is a solution to x2 - 16 = 0 ?
- 4
- 16
  16
  4
Solve.
7. –12 < 2x + 4 £ 6
– 8 < x £ 1
–12 < x  £ 6
  –1 < x £ 6		 8. x – 2 £ 5 or x + 3 ³ 6
x £   7   or  x ³ - 3
x £ - 7 or  x ³ 9
 x £ 7   or  x  ³ 3
9.  | 2x + 6 | = 12
- 9
- 3
  9
  3		 10.  | x | = 4
4
no solution
-4
11.  | x | = -2
- 2
no solution
  2		 12.   | x – 2 | £ 5
 x £ 7 or x ³ - 3
 x ³ 7 or  x  £ - 3
  x £ 7 or  x  £ - 3
Find the slope.
13. -5x + y = 3
  -5
5
 -3		 14.  T(4,0)  R(5,-2)
- 2
undefined
  2
15.   x   = -3
3
0
 undefined		 16.  What is the slope of the line parallel to
3x + y = -7 ?
- 3
undefined
  3
17.  What is the slope of the line perpendicular to
3x + y = -7 ?
- 3
undefined
  1/3
Find the equation of the line for the given information.
18.  Passes thru J(4,-2) & m = 2
y = 2x - 10
y - 4 = 2(x + 2)
  y + 2 = 2(x - 4)		 19.  Passes thru A(4,0) & N(5,-2)
- 2
y = -2x + 8
  y -2x = 8
20.  vertical line thru A(4,0) ?
y = 4
x = 0
x = 4		 21.  horizontal line thru N(5,-2) ?
y = 5
y = -2
x = -2
Answer.
22. In 1986, 19.4% of all bank tellers in the U.S. were men.  By 1994, this percent had risen to 24.1%.  What was the average rate of change in the percent of male bank tellers?
0.59%
59%
  (4.7)/8		 23.  The members of the chorus are selling candy bars and flowers as a fund-raising project.  Their goal is to make $3000 profit.  They will receive $2.75 for every candy bar sold and $1.25 for each flower.  Which is the correct model that shows the different number of candy bars and flowers the band members must sell to achieve their goal?
3000(2.75c + 1.25f)
2.75c + 1.25f = 3000
  not enough information
24.  Which is the equation that relates the variables
x & y if they vary directly and x = 2 , y = 5 ?
y = 5
k = 5/2
 y = 5/2x
Sketch a graph of the following.
Show these to your teacher.
25. y = 2x + 5
2graph.gif (16450 bytes)		 26. y - 2x + 5 = 0
2graph.gif (16450 bytes)
27. 2y + 4x = 10
2graph.gif (16450 bytes)		 28. 2y - 2x > 10
2graph.gif (16450 bytes)
29. x > 4
2graph.gif (16450 bytes)		 30. 5x - 3y £ 10
2graph.gif (16450 bytes)

Find the values for:  {        

 

  
30.

3
10
1

 31.  

6
4
2

For any function ,

describe how the graph changes for the following:
31.  

up 4
right 4
left 4

 32.  

up 11, left 4
down 11, left 4
down 11, right 4
33. 

down 9, left 5
up 9, left 5, flipped
up 9, right 5, flipped
 

 34. 

down 8, left 5, flipped, fatter
down 8, left 5, flipped, skinny
down 8, left 5, flipped
 
35.  

up 110, left 11, fatter
up 110, right 11, fatter
up 110, right 11, skinny

  

 

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