Analyze Meaning of Expressions

Which is the correct way to combine these terms?

• 6x

• 2x³

• 6x³

• 6xxx

Which is the correct way to combine these terms?

• 7a

• 7a³

• 8a³

• 8aaa

Which can change value and is normally represented by a letter (e.g. x, y, z)

• Variable

• Constant

Simplify: 3a + 5y + 2a - 4y

• 5a + y

• 10a + 20y

• 10ay

• 8a - 4y

Simplify: b x a x b x c

• ab²c

• 2bac

• 2b x a x c

Expand and simplify:

2(n + m)

• 2n + 2m

• 2 + n + m

• 2nm

• 2n + m

Expand and simplify:

(g + 2h)²

• g² + 4gh + 4h²

• 2gh²

• g² + 2gh + 2h²

• 2g + 4gh + 2h

In the algebra expression: 5x - 3 + y, what is the y?

• variable

• coefficient

• constant

• equation

Expand and simplify:

5(2ab + 4b + 3a)

• 10ab + 20b + 15a

• 45ab

• 15ab + 20b + 10a

• 45a²b²

What term is represented by the algebra tiles?

• 6

• -6

• 6x

• -6x²