Algebra History
The circular symbol that is used instead of the multiplication symbol in algebra
x + 1 = 11
What is ten?
The property illustrated by "a + b = b + a"
What is the commutative property?
Inverse of addition
What is subtraction?
Name of theorem that Pythagoras took the credit for, but was actually invented thousands of years before he was born.
What is the Pythagorean theorem?
x / 4 = 5
What is 20?
The property illustrated by "a * 1 = a"
Identity property of addition
Inverse of multiplication
What is division?
Pioneer of Algebra, origin of the word "algorithm"
Who is Al-Khwarizmi?
x * 10 = 100
What is 10?
The property illustrated by "(a + b) + c = a + (b + c)"
What is the associative property?
Inverse of subtraction
What is addition?
First person to come up with the idea of graphing equations, invented modern algebra notation
Who is Rene Descartes?
What is 12?
The property illustrated by "a + (-a) = 0"
What is the inverse property?
What is subtraction?
Country that first used negative numbers
What is China?
|sqrt(9)| + x/2 = 20
What is 34?
The property illustrated by "a(b + c) = ab + ac"
What is the distributive property?
Inverse of square root
What is squaring?