Expanding Brackets Test

Unit Test #1

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:

(3x + y) - (2x + y) =

 A. x + 2y
B. 5x 
C. x
D. x - 2y

Answer 1:

Q2:

(3x + y) - (x - 2y) + (y - x) =

 A. x
B. 2x
C. x + 2y
D. x + 4y

Answer 2:

Q3:

(a + 2b) - (a - 2b) =

 A. 2a - 4b
B. 0
C. 4b
D. -4b

Answer 3:

Q4:

(x + 1)(x + 5) =

 A. x2 + 5x + 6
B. x2 + 6x + 5
C. x2 + 4x + 6
D. x2 + 6x + 6

Answer 4:

Q5:

(x - 1)(x + 3) =

 A. x2 - 2x + 3
B. x2 + 2x - 3
C. x2 - 2x - 3
D. x2 + 4x - 3

Answer 5:

Q6:

(y - 4)3 =

 A. y3 - 12y2 + 48y - 64
B. y3 + 4y2 - 24y + 64
C. y3 - 4y2 + 16y - 64
D. y3 + 4y2 - 16y - 64

Answer 6:

Q7:

(2x + 3)(3x - 2) =

 A. 6x2 + 13x - 6
B. 6x2 - 5x - 6
C. 6x2 - 5x + 6
D. 6x2 + 5x - 6

Answer 7:

Q8:

 (3x - 4y)2 A. 9x2 - 12xy + 16y2 
B. 9x2 - 16y2
C. 9x2 + 16y2
D. 9x2 - 24xy + 16y2

Answer 8:

Q9:

2(x - y)2 + 3(x + y)2

 A. 5x2 + 5y2 
B. 5x2 + 5xy + 5y2
C. 5x2 + 2xy + 5y2
D.13x2 + 10xy + 13y2

Answer 9:

Q10:

(3x + 2y)(3x - 2y) =

 A. 9x2 +6xy - 4y2 
B. 9x2 - 4y2
C. 9x2 - 6xy - 4y2
D.9x2 + 4y2

Answer 10: