Unit Test #8

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

Solve the equation 2x2-11x -21 = 0 A. -7, -3
B. 7, 3
C. 7, 
D. 7, 

Answer 1:

 

 

Q2:

 

The solution set of x2 = 16 is A. {4}
B. {-4. 4}
C. {256}
D. { 0, 4}

Answer 2:

 

 

Q3:

 

The solution set of x2+ x = 12 is A. {3, 4}
B. {6, 2}
C. {-3, -4}
D. {-4, 3}

Answer 3:

 

 

Q4:

 

The solution set for x2 = 5x is A. {-5, 0}
B. {0, 5}
C. {-5}
D. {5}

Answer 4:

 

 

Q5:

 

The solution set for x2 = 6x - 5 is A. {-5, -1}
B. {5, 1}
C. {3, 2}
D. {-3, -2}

Answer 5:

 

 

Q6:

 

The solution set for 3p(p + 2) = 0 is A. {0, 2}
B. {3, -2}
C. {3, 2}
D. {0, -2}

Answer 6:

 

 

Q7:

 

The solution set of (x - 3)2= 4 is A. {-3, 4}
B. {1, 5}
C. {2, -2}
D. {5}

Answer 7:

 

 

Q8:

 

Which of the following equations is a quadratic equation? A. 3x + 2y = 8
B. x2 + y= 9
C. (x + 8)(x - 2) = 0
D. y = 3x

Answer 8:

 

 

Q9:

 

If x2 - 8x + 11 = 0, then x = A. 6.24 or 1.76
B. -11/8
C. -6.24 or -1.76
D. 9.20 or -1.20

Answer 9:

 

 

Q10:

 

Find the possible values of x if (x - 1)2 = 1 A. 0 or 2
B. 0 or -2
C. 1 or 2
D. 1 or -2

Answer 10: