W16 Understanding Expressions and Equations

$$9 + 2$$

$$9 \times 2$$

$$6^2$$

$$3 \times 2^2$$

$$5 + 3$$

$$7x - 4$$

$$2x + 3 = 11$$

$$x^2 + 2x$$

Yes, they are equivalent.

No, they are not equivalent.

They are equivalent only when $$x = 0$$ .

They are equivalent only when $$x = 1$$ .

Associative Property

Commutative Property

Distributive Property

Identity Property

$$2^2 \times 3$$

$$2 \times 3^2$$

$$2^2 \times 3^2$$

$$3^3 \times 2$$

$$x + 5 = 10$$

$$3x - 7$$

$$y = 2x + 3$$

$$4 = 2 + 2$$

Yes, they are equivalent.

No, they are not equivalent.

They are equivalent only when $$x = 0$$ .

They are equivalent only when $$x = 1$$ .

Commutative Property

Associative Property

Distributive Property

Inverse Property

$$2^5$$

$$2^6$$

$$2^4$$

$$2^3$$

$$4x + 7$$

$$9 - 3$$

$$x^2 + 5 = 20$$

$$2x + 3y$$