Unit Test #33

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 2n2-11n -21 = 0 A. -7, -3
B. 7, 3
C. 7, 
D. 7, 

Answer 1:

 

 

Q2:

 

The solution set of x2 = 4 is A. {2}
B. {-2. 2}
C. {16}
D. { 0, 2}

Answer 2:

 

 

Q3:

 

The solution set of x2+ x - 12 = 0 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. { -5}
C. {0, 5}
D. {5}

Answer 4:

 

 

Q5:

 

The solution set for x2 + 6x + 5 = 0 is A. {-5, -1}
B. {5, 1}
C. {3, 2}
D. {-3, -2}

Answer 5:

 

 

Q6:

 

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

Answer 6:

 

 

Q7:

 

The solution set of (x - 3)= 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 (x - 2)(x + 7) = 0, x = A. -2,-7
B. -2, 7
C. 2, -7
D. 2, 7

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: