Expressions

Which of the following expressions is equivalent to 1,000,000?

• 10⁶

• 10x10x10x10x10

• 10⁵

What is 7,802 written in expanded notation?

• (7 x 1000) + (8 x 100) + (2 x 1)

• 7 x 1000 + 8 x 100 + 0 x 10 + 2 x 1

• 7000 + 800 + 2

Use the distributive property to simplify the expression

6(7k+11)

• 7k+11

• 42k+66

• 13k+16

2d + 9 when d = 1

• 11

• 5

• 10

• 6

The table shown below represents the number of hours that Mike practiced his guitar each day. Which expression represents the total amount of time that Mike practiced his guitar?

• 10x

• 7x + 3

• 8x + 3

• none of the above

• 15

• 12

• 18

• 21

Translate the following sentence into an equation: "Eight times a number, decreased by 13, is equal to 35."

What expression does this number line represent?

• 4n - n

• 2n + n

• 8n - 2n

• 16n - 4n

Translate the phrase into an algebraic expression: "Seven less than twice a number."

12 ÷ 3x when x = 1

• 11

• 8

• 10

• 4