What is the multiplication law
xa X xb = xa+b
2a2 X 3a3
6a5
a (b + c) = ab + ac
What does F.O.I.L stand for?
First
Outers
Inners
Last
The person who knows the most digits of pi gets a bonus 100 points
3.1415926535 8979323846
What is the division law
xa / xb = xa-b
8b7 / 2b3
4b4
Expand 4 ( 4 + a)
4X4 + 4a
or
16 + 4a
Use FOIL to expand the brackets ( a + b ) ( c + d )
ac + ad + bc + bd
What is Mr. Winzil's favourite food?
Burgers
This is the power of a power law. It simplifies to
xa X b
a5 / a5
1
Use the distributive law to calculate a 2a (4 + b)
8a + 2ab
Use FOIL to expand ( x + 4) ( x + 2)
x2 + 2x + 4x + 8
or
x2 + 6x + 8
Earth
1
5a3b X 4ab3
20a4b4
a test question was simplify 10(a+2) and a student answered 10a + 2a. why isnt this correct?
They distributed the wrong term. The correct answer is 10a + 20
Use FOIL to calculate 15 X 17
(10 + 5) (10 + 7)
10 X 10 + 10 X 7 + 5 X 10 + 5 X 7
100 + 70 + 50 + 35
255
How do you spell our deputy principal's last name
Papageorgiou
a-b
(3d2 X e4) / (de4)
3d
Use the distributive law to expand 3(x + 3t + 7)
3x + 9t + 21
Use FOIL to expand and simplify (2x + 3)(6x + 2)
12x2 + 22x +6
4
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