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       CPT TEST # 4

            Select the correct answer on each question and click the Check button for the answers.

 

1. Which of the following is closest to 

A  4

B   5

C  6

D  7


2. The 15 percent of N is:
A  15N         B N+15         C 1.5N        D   0.15N

3. Karen now earns $9.50 per hours. This is 125 % of what she earned last year.
     What did she earn per hour last year? 
A  $7.15      B  $7.30      C  $7.50      D  $7.60

4. If a number is divided by 3, and then 5 is subtracted, the result is 4. What is the number?
A  21      B  27      C  36      D  42

5. If  x = -2 and  x = 3 then:
Ax2 + x - 6       Bx2 + x + 6       Cx2 - x - 6        Dx2 - x + 6        

6.  x - 4  is one of the factors of:
Ax2 - x - 12        Bx2 - 8x + 12        Cx2 - 8x - 12       Dx2 +x + 12

7. Subtract the following polynomials: (3x5 + 4x2 + 5x) - ( x5 + x2 + 2)
A2x5 + 3x2 + 5x + 2
B2x5 + 3x2 + 5x - 2
C2x5 + 3x2 - 5x - 2
D2x5 + 3x2 - 5x + 2

8. Add the following fractions and write the answer in lowest term:  
3x + x
2 6
A 10x

B

5x

C

5x 

D

 7x
6 6 3 6

9. Given that  x |-3 |,   y = - | 6 - 4 |,  z = - | 1 |,  and  w = | 7 |  then
A  x < y         B y > z         C z > y        D   y = w


10. Solve the following equation:  3(x - 2) =  2x + 10  
A  

2

B 

8

C 10

D 12


11.  If  F(x)=  5x2 + 2x then  F(-2 + 1) =
A3    B -7    C -3     D 7       

12. If x = 1  then:
A  x2 - 2x  + 1 = 0     B x2 - 1 = 2x     C x2 - 1 = - 2x      D x2 + 2x + 1  = 0  

13. Solve the following system of linear equation.
      x + 2y  = 7
       - 2y   =  - 6x
A  (1, 3)        B (-1, -3 )      C (-1, 3)       D (1, -3)

14. Solve the following system of linear equation.
      2x + 1 =  6 - 2y
         - 2x  =  1
A  (3, 0.5)        B (-0.5, 3 )      C (-3, -0.5)       D (0.5, -3)


15. Simplify:    
   
 A  x + 2       B x - 2     C x + 3       D  x - 3

16.  if   4 - x >  3x  then:
A  x > - 1        B x < 1      C x > 1       D x < -1

17.  if   2y >  6 - y  then:
A  y > -2        B y < -2       C y < 2       D y > 2

18. if   - 2K - = C    then C=
A  K        B - K      C 2K - 1      D2K + 1

19. Choose the linear equations corresponding with the following graph 


  

A x = 2  and  -x = y 
B y = -2  and  y = x
C y = x  and  y = - x
D y = x and y = -2

20.  Which of the following equations have 0  as a solution
A  x2 - 5 =  - 5(x -1)    B x2 - 5 =  - 5(x +1)   C x2 - 5 =  - 5x     Dx2 - 5 = 0