Ch 8 Lesson 1 Notes p589

What is the main difference between an equation and an expression?

• Neither have equal signs.

• Both have equal signs.

• An expression has an equal sign, an equation does not.

• An equation has an equal sign, an expression does not.

If 2 plus X equals 9, what is the value of X?

• 5

• 7

• 9

• 11

In the equation 9 minus X equals 2, what is X?

• 5

• 8

• 6

• 7

Which number makes the equation 4 times N equals 16 true?

• 5

• 3

• 2

• 4

What positive number makes negative 24 divided by W equal negative 8?

• 5

• 4

• 3

• 2