Evaluate
Given the expression 5x + 4y - 6. How many terms are there?
3
What property allows you to change the order of the numbers without changing the solution.
Commutative property
Associative Property:
2 + ( 3 + 4)
(2 + 3) + 4
2 x 1 = 2
Identity property of multiplication?
Simplify: (43 - 20) - 2 . 5
13
What are the variables in the expression 15x - 7y?
x and y
What property allows you to group different sets of numbers together without changing the solution?
Associative Property
Commutative Property:
4x + 5x
5x + 4x
52 + 0 = 52
Identity property of addition?
Simplify: (12 + 4) /(11- 7 )
4
Evaluate: 7x + 5y +3, if x = 6 , y = 8
85
Identity element of Addition
0
Identity property: y + 0
y
(2 x 7) x 11 = 2 x (7 x 11)
Associative property of multiplication
Simplify: 7 . 8 - 3 . 6 + 1
39
Evaluate: a3 - c + b, when a = 2 , b= 1 c = 8
1
Identity elements of multiplication
1
Associative Property:
(5x . 3y) . 2
5x . (3y .2)
3 + (2 + 1) = 3 +(1+ 2)
Commutative property of addition
Simplify: (14 + 82) / 2 - 10
29
Find the area of a rectangle by evaluating A = bh, when b = 8 in and h= 5 in.
40 in2
Other name for multiplicative inverse
Reciprocal
Identity Property: x . 1
x
10 + (-10) = 0
Inverse Property
Simplify: 23 + 32 - 17
0