Chapter 7 Quiz 3 As always, show your work

Graph the following by finding the vertex and y- intercept.

1. =2²+49

2. =²6+4

3. =2²+8+5

For Review:

4. Solve by factoring: ²12=0

5. Solve by using the quadratic formula: 2²+8+5=0

Basic Word Problems Quiz

You must show algebraic solutions (not trial and error).

1. The perimeter of a rectangle is 22 miles. The length is one less than three times the width. What is the length and width?

2. The perimeter of a rectangle is 80 feet. The length is four feet longer than two times the width. What is the length and width?

3. The sum of two numbers is 55. The larger is five less than three times the smaller. What are the two numbers?

4. The sum of two numbers is 49. The larger is seven more than twice smaller. What are the two numbers?

5. In an election, the winner received 430 more votes than twice the loser. If there was a total of 2,290 votes cast, how many votes did each candidate receive?

6. Two consecutive numbers add to 53. What are the two numbers.

7 . A building has 20 apartments. Some have one bedroom and rent for $1,450 per month. The rest have two bedrooms and rent for $2,025 per month. If the total rent to be collected each month is $35,900, how many one and how many two-bedroom apartment are there in the building?