Parts of an Algebraic Expression
How many terms are there in x + 2
2
five plus a number r
5 + r
4+5 = 5+4
a. Commutative of Addition
b. Associative of Addition
c. Identity Property of Zero
2(3+4)
6 + 8
10 + 30
10(1+3)
Write as a power: 4(4)(4)(n)(n)(n)
64n^3
8 less than a number g
g - 8
3+(2+7)=(3+2)+7
a. Commutative of Addition
b. Associative of Addition
c. Identity Property of Zero
B
5 ( 4 + 9 )
20 + 36
60 - 48
12(5 - 4)
What are the coefficients in the expression: 4x - y + 9z
4, -1, 9
the ratio of a number x and ten
x / 10
45 x 0 = 0
a. Multiplication Property of Zero
b. Multiplication Property of One
c. Identity Property of Zero
A
4(x + 5)
4x + 20
125x - 50
25 ( 5x - 2)
Combine like terms: x + x + 4 + 8 - x
x + 12
ten times the sum of a number b and eight
10(b+8)
What is the reason for the 2nd step?
3 + (x + 4)
x + (3 + 4)
x + 7
Associative Property
6 (x + 2 - 1)
6x + 6 or 6x + 12 - 6
450x - 200
50(9x-4)
List the parts of the expression: -5x + y - 10
terms:
constant:
variable:
coefficient:
terms: -5x, y, -10
constant: -10
variable: x , y
coefficient: -5, 1
forty - three more than half of a number m
m/2 + 43
What is the reason for the 3rd step?
45 (p) (0)
45(0)
0
Multiplication Property of Zero
45 ( 2 + 3y - 2y)
90 + 135y - 90 y or 90 + 45y
39x - 78
39(x-2)