# Lesson 5 Formula for Success Solidify Understanding

### 1.

Find the

#### a.

#### b.

#### c.

#### d.

#### e.

#### f.

### 2.

Which form of the linear equations in problem 1 facilitates your work in finding

### 3.

Using the same equations from problem 1, find the

#### a.

#### b.

#### c.

#### d.

#### e.

#### f.

### 4.

Which of the formats above facilitate finding the

Solve each of the quadratic equations using an appropriate method. Give a precise answer rather than an approximation.

### 5.

### 6.

### 7.

### 8.

### 9.

### 10.

### 11.

### 12.

### 13.

Which of the quadratic equations could have been solved by factoring more efficiently than by using the quadratic formula? How can you tell from the solutions?

Write each of the expressions in factored form.