Unit Test #2

Select your answers to the following 10 questions from the pop-up menus in the right hand column. When you are satisfied with your answers, fill in your name and e-mail address in the spaces provided below the test, and click the "Submit Test" button. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

Factorise 9x + 36y A. 9(x + 4y)
B. (3x + 6y)(3x - 6y)
C. 3x + 6y)2
D. 3(x + 12y)
Answer 1:

 

Q2:

 

Factorise x(5 - y) + 3(5 - y) A. 3x(5 - y)
B. (x - 3)(5 + y)
C. (x + 3)(5 + y)
D. (x + 3)(5 - y)
Answer 2:

 

Q3:

 

Factorise x(4 - y) - 3(y - 4) A. (x - 3)(y - 4)
B. (x - 3)(4 - y)
C. (x + 3)(4 - y)
D. 3x(4 - y)
Answer 3:

 

Q4:

 

Factorise 3x - 12 + xy - 4y A. (y - 3)(x + 4)
B. (y + 3)(x + 4)
C. (4 + y)(x - 3)
D. (3 + y)(x - 4)
Answer 4:

 

Q5:

 

Factorise 4x2 - 9y2 A. (2x - 3y)2
B. (2x - 3y)(2x + 3y)
C. (4x - 9y)(x + y)
D. (4x + 9y)(x - y)
Answer 5:

 

Q6:

 

Factorise 25x2 - 40x + 16 A. (5x - 4)2
B. (5x + 4)2
C. (5x - 4)(5x + 4)
D. (4 - 5x)(5x + 4)
Answer 6:

 

Q7:

 

Factorise 3x2 - 7xy - 6y2 A. (3x - 2y)(x - 3y)
B. (3x - 2y)(3y - x)
C. (3x + 2y)(x - 3y)
D. (3x + 2y)(3y - x)
Answer 7:

 

Q8:

 

Factorise 12x2 - 25x + 12 A. (4x + 3)(3x + 4)
B. (4x - 3)(3x - 4)
C. (3x - 1)(x - 3)
D. 4(3x + 1)(x + 3)
Answer 8:

 

Q9:

 

Factorise 6x2 - 7x - 3 A. (3x +1)(2x - 3)
B. (3x -1)(2x + 3)
C. (3x + 3)(2x - 1)
D. (3x - 3)(2x +1)
Answer 9:

 

Q10:

 

Factorise a4 - b4 A. (a - b)(a3 - b3)
B. (a - b)(a + b)3
C. (a - b)(a + b)(a2 + b2)
D. (a3 - b3)(a + b)
Answer 10: