Algebra Nation Section 2 Topics 1-4

Determine whether the following number sentence is True or False.

21+7 = 7 x 4

• True

• False

Determine whether the following number sentence is True or False:

17 x 41 x (3 x 6) = (6 x 17 x 41) x 3

• True

• False

Determine whether the following statement is True or False:

8² + 7² = (8 + 7)²

• True

• False

What value(s) for g make the equation true?

g² + 5 = 41

• 18

• 6

• 16

• -6

• -18

a number sentence is a statement of equality between two ____?____ expressions

• equal

• false

• true

• numerical

An algebraic equation is a statement of equality between two ________________.

• Equations

• Answers

• Expressions

• Variables

a number sentence is said to be true if both numerical expressions are __?__

• equal

• true

• numerical

• false

13+4=7+11 ? Why

• False because 7+11=17 and 13+4=18

• True because 7+11=18 and 13+4=18

• False because 7+11+18 and 13+4=17

• True because 7+11=17 and 13+4=17

What property is used in the following statements?

3x + 7 = 88

3x + 7 - 7 = 88 - 7

• Addition Property of Equality

• Distributive Property

• Multiplication Property of Equality

• Subtraction Property of Equality

What property was used in the following statement?

3x = 81

3x/3 = 81/3

• Subtraction Property of Equality

• Addition Property of Equality

• Division Property of Equality

• Multiplication Property of Equality