Page 3 - Compilation of Worksheets1

ACTIVITY # 2

In mathematics, LCD is an acronym for Least Common Denominator. LCD has another meaning in Information
Technology. Fill in the table below with the letter corresponding to the product to reveal the other meaning
of LCD.

L
(2x – 3y) (2x + 3y) (x + 7) (r – s + t) (2x + 3y) (2 – x)

(5x – 2y) (2x – 3y) (x + 7) (r – s + t) (2x – 3y) (3 – x)

C

2
(a + b) (x – 3) (s + 3t) (m – n) (m + n) (x + 3) (2x – 3y)
(a + 3b) (x – 3) (s + 3t) 2 (m + n) (m + n) (x – 4) (5x – 2y)

D

(2 – x) (2x + 3y) (m – n) (ab + 1) (2x – 3y) (x + 3) (s + 3t)

(3 – x) (2x – 3y) (m + n) (ab + 1) (5x – 2y) (x – 4) (s + 3t) 2

DECODER

2 2
2
A x – x – 12 P a b + 2ab + 1
C a + 4ab + 3b Q x + 14x + 49
2
2
2
D 6 – 5x + x R x -9x + 27x - 27
3
2
2
E a + 4ab +4b S m – n
2
2
2
2
F x + 3x + 12 T m + 2mn + n
2
2
2
4
2
2
I 4x - 9y U r + s + t -2rs – 2st + 2rt
2
2
2
2
2
3
2
2
3
L 10x – 19xy + 6y Y s + 9s t + 27st + 2zt