A value represented by a letter
Variable
What is the variable in 4m?
m
yes
x + x + x + x
4x
Simplify: k x k x k × k
k4
A number before a variable
Coefficient
What is the variable? 3x2 + 25
x2
Are 12d2 and 5d like terms?
No
t + t - t
2t
p x p x f x f x f = ?
p2f3
An Expression that has an equals symbol in it, is called a..?
Equation
What is the coefficient? 3x3-10
3
Are 4x2y and yx2 like terms?
Yes
Simplify the following 4d + 5d
9d
v4 = v x v _____?
v x v
Terms with the identical variables (terms on the same team)
Like Term
What is the coefficient? -4.2y + 3.6
-4.2
What are the like terms in the expression? 6y + 3x - 5y
6y and -5y
b + b + v + ______________ = 2b + 2v
v
10y6 = 5 x y ______?
2 x y x y x y x y x y
4 + 4 is called an...?
Expression
Draw an example of a coefficient
Mrs Mensforth to Check
5x and 23x
What's missing from this expression?
4d - 2d = d + ?
d
15yn3 = 3 x 5 x n x ________
n x n x y