Practice Test 1-2

choose the correct answer

• a

• b

• c

• d

choose the correct answer

• a

• b

• c

• d

The function f(x) = l8x - 60 represents the net profit, in dollars, of selling x plastic dinosaurs at Mega Toy Central. What is the total profit if Mega Toy Central sells 20 plastic dinosaurs?

• a

• b

• c

• d

choose the correct answer

• a

• b

• c

• d

A restaurant offers a choice of one side dish when a main course is ordered. Customers can choose from a list of 3 different main courses and 4 different side dishes. How many different combinations are there of one main course and one side dish?

• 7

• 12

• 16

• 2

choose the correct answer

• a

• b

• c

• d

choose the correct answer

• 180

• 150

• 110

• 100

Percent error is useful for determining the precision of a calculation. Percent error close to zero means the calculation is very close to the target value. The formula to measure percent error is:

• a

• b

• c

• d

Chason got his lab report back with "10.0% error" written in red on it. If he had examined the boiling point of an unknown liquid to be 85 °e, what could be the actual boiling point for his unknown liquid?

• a

• b

• c

• d

If there are 8 points in a plane, no three of which are collinear, how many distinct lines can be formed by connecting two of these points?

• a

• b

• c

• d