Vocab
An unknown in math. It's what we solve for.
What is a variable?
Evaluate the expression below:
2x2 + 3x - 2 when x = 2
12
Solve the equation below:
x - 7 = 14
x = 21
Solve the equation below:
2x + 3 = 9
x = 3
From the movie Ratatouille, the name of the ambitious rat who dreams of becoming a fine-dining French chef.
What is Remy?
The number before a variable.
What is a coefficient?
Combine like terms:
x2 + 3x - 2 - 2x2 + 2x + 4
-x2 + 5x + 2
Solve the equation below:
x + 3 = 2
x = -1
Solve the equation below:
(x/3) - 2 = 2
x = 12
This is the galaxy that Earth is in.
What is the Milky Way?
A number that stands alone without a variable.
What is a constant?
Subtract the expressions below:
(3x + 4) - (2x - 3)
x + 7
Solve the equation below:
3x = 12
x = 4
Solve the equation below:
3 + 4x = 19
x = 4
This is how many bones a shark has.
What is zero?
A combination of numbers, variables, and operators that represents a value, but does not contain an equals sign.
What is an expression?
Use the distributive property below then simplify:
-3(x + 2) - 3x
-6x - 6
Solve the equation below:
x/2 = 4
x = 8
Solve the equation below:
14 = 3 + (x/2)
x = 22
This is the name of the monster in season one of Stranger Things.
What is the Demogorgon?
A statement that two things are equal, joined by an equals sign. It works like a balanced scale, meaning the value on the left side is the same as the value on the right side.
What is an equation?
Multiply the binomials below:
(x + 2)(2x - 3)
2x2 + x - 6
Solve the equation below:
x2 = 9
x = 3
Solve the equation below:
10 = 2 - x
x = -8
This is where french fries were invented.
What is Belgium?