Review
Which expression is equivalent to 3(2x + 4y) - y?
17xy
6x + 12
3(6xy) - y
6(x + 2y) - y
6(x + 2y) - y
2x + 7
2(x + 7)
2x + 14
2(x + 7) and 2x + 14
3x + 2x + 5x
10x
4(3y + 6)
12(y + 2)
30y
3y + 14 + 9y + 10
30y
The owner of an apple stand sells 12 apples for $18.
Which expressions represent the cost of 1 apple. Select all that apply.
18/12
12x18
18 divided by 12
12 divided by 18
18/12
18 divided by 12
Use the distributive property to solve.
3(x - 3)
3x - 9
4x
2x + 2
2(x + 1)
2x + 2 and 2(x + 1)
20x + 28 + 8x
28x + 28
10(2z - 1)
10 - 20z
20z - 10
2(10z - 5)
10 - 20z
GMS is selling 3 tickets for $45. What is the cost of 1 ticket?
$15.00
3 to the third power equals
27
4z + 16
4(z + 4)
4(z + 16)
4z + 16 and 4(z + 4)
45x + 47 + 42x
87x + 47
4z + 11
4(z + 3)
12 + 4z
9 + 3z + 3 + z
4z + 11
2 to the third power equals
8
What is the value of the expression 9 + 2y - 4 when y = 10
25
2(3a + 6)
6(a + 2)
6a + 12
2(3a + 6) and 6(a + 2) and 6a + 12
10n + 5 - 5n + 3 + 5n
10n + 8
11 + 4y
4y + 11
2(2y + 6)
3y + 4 + y + 7
2(2y + 6)
Write an equivalent expression. 3(2z + 1)
6z + 3
Mr. Sellers has finished reading 40% of his book. If the book has 200 pages, how many pages has he finished reading?
80
3y - 6
6 - 3y
3(y - 2)
3y - 6 and 3(y - 2)
3y - 6 + 2y - 5
5y - 11
15x - 13
5(3x - 3)
15x - 10 - 3
15 ⋅ x - 13
5(3x - 3)
A rectangular garden is made by placing equal rows of tomato plants. The garden has 4 rows and a total of 28 tomato plants. Which expression represents the number of plants in each row?
28/4
4 x r
28 - 4
28/r
28/4