Unit 6 Review Quiz

Which expression is equal to 4³?

• 4 x 4 x 4

• 4 x 3

• 3 x 3 x 3 x 3

• 12

Select all expressions where x = 6 is a solution.

• x - 6 = 0

• 1 + x = 7

• 10 - x = 9

• 3x = 18

• 2/3x = 12

Which expression is equivalent to 15c - 5d?

• 5 (3c - 1d)

• 7 (2c - 4d)

• 4 (4c - 8d)

• 3 (5c + 1d)

Here is an expression: 6 x 2^a?

evaluate the expression when a = 2

Here is an expression: 6 x 2^a?

evaluate the expression when a = 3

Of all the students in a summer camp, 3/5 of them are in 6th grade. How many sixth graders are there if the school has 35 students?

of all the students in a summer camp, 3/5 of them are in 6th grade. How many sixth graders are there if the school has 50 students?

of all the students in a summer camp, 3/5 of them are in 6th grade. If the school has x students, select the expression for the number of students in the school in terms of x.

• (3/5)x

• 3x

• 5x

• 3 x 5

Of all the students in a summer camp, 3/5 of them are in 6th grade. How many students are in the school if there are 9 sixth graders?

• 15

• 20

• 45

• 35

Han makes lemonade by mixing 3 cups of lemon juice with 4 cups of water.

How much water does Han need if he uses 9 cups of lemon juice?