ALEKS Math Practice Test 2

Eric claims that a straight line is an obtuse angle. Tasha says that Eric is incorrect. Who is correct and why?

Enter the name of the person who is correct.

∆ABC ~ ∆DEF.

If ¯AB = 5cm, what is the scale factor needed for ¯DE to measure 22.8cm?

Round to the nearest hundredth and include cm in your answer. Example: 18.98cm

You are using a length of rubber tubing to create a flowerbed and are trying to decide between making it in the shape of a square or a circle. As a square, the perimeter will be 20ft.

Round to the nearest hundredth and include ft in your answer. Example: 18.98ft.

You are using a length of rubber tubing to create a flowerbed and are trying to decide between making it in the shape of a square or a circle. As a square, the perimeter will be 20ft.

Which shape will give you the largest flowerbed?

Calculate the surface area

Enter in your answer in squared inches. Enter in exponents as using the carrot symbol. Example: 3in^2

Your swimming pool is 30ft. long and 15ft. Wide, and 6.5ft deep.  You plan on filling it to a depth of 5 feet. If one cubic foot holds 7.5 gallons of water, how many gallons of water do you need?

Enter your answer like so: 13284 gallons

Write the following algebraically: Twice a number increased by seven less than a third of the same number. Use x if needed.

You have a coupon for 10% off any item for a local store. When you get there, you discover the store is having a clearance sale of 20% off. What percent of the original price are you saving?

Solve and graph: -2x + 7 ≥ -1

An image that is 24 in² is enlarged to 96 in². What is the scale factor of the dilation?