Vocabulary Pt. 1
A letter used to represent a number.
What are variables?
A statement that two expressions are not equal that uses '>' or '<'
What is an inequality?
3x = 15
What is x = 5?
p + p + p
What is 3p?
Evaluate this expression if y = 4.
y + 6.
What is 10?
An expression that contains only numbers and symbols
What is a Numerical Expression?
When two expressions have the same value
What is true?
2x + 2 = 10
3x - x
What is 2x?
Evaluate this expression if a = 10
10a
What is 100?
Combine like terms in an expression
What is simplify?
To find the value of the variable that will make an equation true.
What is solve?
3x - 4 + 2 = 7
What is x = 3?
4x + 12 - 5
What is 4x + 7?
Evaluate this expression if x = 14.
2x - 8 + x - 4.
What is 30?
An expression that contains at least one variable.
What is an Algebraic Expression?
Numbers that can be added or subtracted by each other.
What are like terms?
4x + 12 - 5 + 2x = 55
What is x = 8?
8x + 102 - 4 + 17x
What is 25x + 98?
Evaluate this expression if y = 27.
y/9
What is 3?
To substitute the values given for the variables of the expression and then find the value of the expression.
What is evaluate?
You can add/subtract the same number from both sides of an equation.
What is Equality Properties?
12x + 10 - 8 + 98 - 2x + 10x = 500
What is x = 20?
17x + 42 - 24 + 36x - 4x
What is 49x + 18?
Evaluate this expression if z = 40.
2z + 17 - 12 - z + 4z.
What is 205?