Algebra Answers

A 2cm by 2cm square piece of cardboard was cut from bigger square cardboard. The area of the remaining cardboard was 36cm². If m represents the side of the bigger cardboard which of the following expressions give the area of the remaining piece?

Now, that you have a deeper understanding of the topic, I believe that you are ready to solve the problems below.

Mission Possible

1. The volume V of air remaining in an inflated balloon can be modeled by the function V = 1,000(0.85) where x represents the number of days that have passed since inflating the balloon. What is the reasonable domain for the situation? Explain.

2. The function f(x)=65,000(1.5) can be modeled the population of a city for x, the number of years that have passed since 2010. What inequality represents the reasonable range of the function based on the situation? Explain.

1. Classify the type of linear correlation you might expect with the following pairs of variables.

a. hours of studying for a final exam, grade on final exam

b. students’ average marks, temperature on the day of final exams

c. distances from students’ home to their schools, the time they spend on the school bus each day

d. amounts of television watched per day, scores on a fitness test

e. years without an accident, driving insurance rates

how much do we need to plus in 3 to get five

construct a function table of the following functions using the interval of -5 to 5.

b. J(t)= 1/t^2 - 2t +1

Aaron built a frame for his chicken pen. The length of the pen measures 2.3 m and the width of the pen measures 1.4m. The chicken wire comes in a pack that measures 2 m. How many packs will Aaron need to buy?

A bicycle dealer was asked how many bikes he had in stock. He answered, “If one-half,

one-third, and one-quarter of the number of bikes were added together, they would make

13.” How many bikes did he have in stock?