Chapter 4 Review

Front

Combine like terms: 2x^2 + 3x + 2x^2 + 2 + 3x

Back

4x^2 + 5x + 2

Front

Combine like terms: 5x + 2 + 2x + 3

Back

7x + 5

Front

What is the unit price if 3 items cost $8.67?

Back

$2.89

Front

Is the graph proportional if it is a straight line that goes through the origin?

Back

Yes, because it goes through the origin and is a straight line.

Front

Is the table proportional if it has a unit rate of 2.5?

Back

Yes, because it has a unit rate of 2.5.

Front

What does it mean to combine like terms in algebra?

Back

Combining like terms means to add or subtract terms that have the same variable raised to the same power.

Front

Define unit price.

Back

Unit price is the cost per single unit of a product, allowing for easy comparison of prices.

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio.

Front

How do you determine if a graph represents a proportional relationship?

Back

A graph represents a proportional relationship if it is a straight line that passes through the origin.

Front

What is the formula for finding the unit price?

Back

Unit Price = Total Price / Number of Units.