Lesson 9.1.3 R&P 9-27 to 9-33

9-29) a. Find the equation that represents the information given in the graph. Write your answer as y=( )( )=x^2+x+#

(a)  

9-29) b. Find the equation that represents the information given in the table. Write your answer as y=( )( )=x^2+x+#

(a)  

9-30) Solve the following problem using any method.

The length of a rectangle is 5 cm longer than twice the length of the width. If the area of the rectangle is 403 square centimeters, what is the width?

9-31) Which of the points below is a solution to 4x−3y=10? Note: More than one point may make this equation true.

Please list your answer(s) as the ordered pairs in order from this list using commas to separate them:

(1,2), (4,2), (7,6), (4,-3)

(a)  

9-32) a. In order to quickly get people between terminals in the Minneapolis Airport, long “people mover” conveyor belts were installed. Assume that if someone stood still on a conveyor belt, that person would travel 2 feet per second.

Since Jung is in a hurry, he decided to walk on the conveyor belt (in the same direction he would travel standing still). If his terminal is 300 feet away and he wants to get there in 60 seconds, how fast does he need to walk with respect to the conveyor belt? (Assume he can ride the conveyor belt the entire distance.)

(a)