Absolute Value
Find the absolute value of -4
4
eight plus a number
8+x
What does PEMDAS stand for? Make sure to include which signs can be done left to right no matter the order
Parenthesis, Exponent, Multiplication, Division, Addition, Subtraction
multiplication and division are left to right
addition and subtraction are left to right
What operations (multiplication, addition, subtraction, division) can the associative and communitive properties be used for?
multiplication and addition
What do you need in order to combine like terms?
same variable and exponent
Find the absolute value
- l-6l
-6
five less than a number
x-5
5x+3y when x=2 and y=5
25
Name the property illustrated:
(M+5)+p=M+(5+p)
associative
Simplify
5xy-7xy+3-2+xy
-xy+1
Solve
l5l-l3l
2
x-3=5
(r÷ 10)-2s when r=40 and s=7
-10
use the communitive property to write an equivalent expression if possible
2s-3w
you can't use communitive property for subtraction or division!
Simplify
11j+16-22j-27+5j
-6j-11
Solve
l2l-l5l
-3
a quotient of a number and 10 is greater than or equal to 2
x÷10 ≥ 2
-5+7-3-(-10)
9
Simplify
7-3(x+2)
-3x+1
Simplify
5x+4-2x+3-2x
x+7
What is the definition of absolute value?
The distance from 0
12 less than a number amounts to 5 plus twice a number
x-12=5+2x
5-12÷ 3(2)
3
Simplify
5x(3y+4z)
15xy+20xz
Simplify
(7.6x+4.7)-(1.9x+3.6)
5.7x+1.1