8 + x
Tell which property the statement illustrates:
4 * x = x * 4
Commutative Property of Multiplication
2(f+3)
2f+6
2(v+5)+7v-4
9v+6
Evaluate the expression when x = 8
2x + 2
20
the difference of 11 and y
11-y
Tell which property the statement illustrates:
4 + (x + 9) = (4 + x) + 9
Associative Property of Addition
8(u-2)
8u-16
5(r+9)-5
5r+40
The running time in minutes of a TV episode is 50 - 0.25x, where x is the number of commercials aired during the episode. What is the running time of an episode with 24 commercials?
44 minutes
the product of w and 4
4w
Tell which property the statement illustrates:
(4*5)*3 = 4 *(5*3)
Associative Property of Multiplication
4(b-1)
4b-4
1+4(u+1)
4u+5
To find the percentage of an item you divide the price by 25. Write an algebraic expression to find the percentage of a number d
d/25
the quotient of 18 and a number n
18/n
Tell which property the statement illustrates:
5(x + 9)=5x + 45
Distributive Property
4(r+9)
4r+36
2+7(y+2)
7y+16
100 - 5x
The product of 5 and a number x
5x
Tell which property the statement illustrates:
x + 0 = x
Identity
12g(1+12)
12g + 144g or 156g
7(w+4)+3w-27
10w+1
The sides of a square have a length of 8x inches. Write an expression for the perimeter of the square (in inches).
32x