Vocabulary
What do you call a letter used to represent a number?
Variable
What are the "like terms" in this expression:
2a - 9 + 3a
2a, 3a
Simplify the following expression:
3a + 5a
8a
Evaluate the expression if x = 3 and y =4
6x -3y
6
Name the variables in the following expression:
6y + 7
y
What is the algebraic name for a number by itself with no variable
CONSTANT
What are the "like terms" in this expression:
3k + 4 + h + 8 - 2g + 2
4, 8, 2
Simplify the following expression:
5c + 4c + c
10c
Evaluate the expression if x = 3 and y =4
6(x + y)
42
Name the terms in the following expression:
2k + 15 - m
2k, 15, -m
What you call a number right in front of a variable that is being multiplied by the variable?
COEFFICIENT
What are the "like terms" in this expression:
7m + 3n + 2m + 9
7m, 2m
Simplify the following expression:
8b + 8 - 4b4b + 8
Evaluate the expression if x = 3 and y =4 and z=5
2x + 3z + y
25
Name the coefficients in the following expression:
5 + 10k
10
In algebra, this can be a constant, a variable, or a product of constants and variables.
What is a "term"
What are the "like terms" in this expression:
a + b + c + d - 15
NONE
Simplify the following expression:
-3a +6 - 5a - 2
-8a + 4
Evaluate the expression if x = 3 and y =4 and z=5
4z - (2y + x)
9
Name the variables in the following expression:
3 + 2 + 1029 + 2.5
There are no variables
When you add or subtract terms in algebra and there is no equal sign, that math sentence is called an _____________________
EXPRESSION
What are the "like terms" in this expression:
6x + 5y + 8x + 11x + 2z + 27
6x, 8x, 11x
Simplify the following expression:
4b - 6 + b2 + 9b2
4b - 6 + 10b2
Evaluate the expression if x = 3 and y =4 and z=5
2(x + z) - y
12
Name the coefficients in the following expression:
ab + 2c
1, 2