# Lesson 4Greater Than?Develop Understanding

### 1.

Virginia’s Painting Service charges per job and per square foot. If Virginia earned for painting one job, how many square feet did she paint at the job?

### 2.

Renting the ice-skating rink for a party costs plus per person. If the final charge for Dane’s birthday party was , how many people attended his birthday party?

Indicate whether the following statements are true or false. Explain your thinking.

### 3.

The notation means the same thing as . It works just like and .

### 4.

The inequality says the same thing as . I can multiply by on the left side without reversing the inequality symbol.

### 5.

When solving the inequality , the second step should say because I added to both sides and it changes the inequality symbol.

### 6.

When solving the inequality , the answer is because I divided both sides of the inequality by a negative number.

### 7.

The words that describe the inequality are “ is greater than or equal to .

## Set

### 8.

How does solving an inequality compare to solving an equation?

Solve for . Indicate if the given value of is an element of the solution set.

### 9.

#### b.

Is this value part of the solution set?

### 10.

#### b.

Is this value part of the solution set?

### 11.

#### b.

Is this value part of the solution set?

### 12.

#### b.

Is this value part of the solution set?

Solve each inequality and graph the solution on the number line.

### 17.

Solve each inequality.

## Go

Evaluate each of the functions as indicated.

### 21.

#### b.

Solve each of the equations for the indicated variable.

Solve for .

Solve for .

Solve for .