Mathematics 1 Check in QuizB

The population of a town has grown at a rate of approximately 1.2% each year since 1960. In 1960, the population of the town was about 180 thousand people. Which function could be used to model the population, p, of the town (in thousands) x years after 1960?

• p = 180(12)^x

• p = 180(1.12)^x

• p = 180(1.012)^x

• p = 180(0.12)^x

Tags

CCSS.HSF.LE.A.2

Tyson has a $50 gift card to use at a store. He does not have any additional money to spend at the store. Tyson will purchase a belt that costs $8 and x number of shirts that cost $15 each. The function f(x) = 42 - 15x models the balance on the gift card after Tyson makes the purchases. What is the most appropriate domain of the function?

• all integer values of x

• all positive integer values of x

• 0 ≤ x ≤ 2 where x is an integer

• 0 ≤ x ≤ 3 where x is an integer

An object is launched straight upward from ground level with an initial velocity of 32 feet per second. The formula h = 32t - 16t^2 gives its height, h, in feet, after t seconds. At what time does the object hit the ground?

• t = 16

• t = 2

• t = 1

• t = 0

A bowling alley charges $2.50 per game plus $4 to rent shoes. A second bowling alley charges $4 per game plus $1 to rent shoes. How many games would a person have to play for the two bowling alleys to cost the same amount?

A system of equations is shown: 2x + 2y = 24, x = 3y. What is the value of x + y?

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the value of the negative zero of the function g(x) = 3x² + 14x - 5? Only 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, ., -, and / are allowed in your answer. Answers that are mixed numbers must be entered as an improper fraction or decimal.

Tags

CCSS.HSF-IF.C.7C

A system of equations is shown: 4x + 2y = 10 and 2x - 2y = 8. What is the value of x in the solution to the system? Only 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, ., -, and / are allowed in your answer. Answers that are mixed numbers must be entered as an improper fraction or decimal.

Tags

CCSS.HSA.REI.C.9

Jason has a rectangular garden with a length of 10 meters and a width of 3 meters. He will double the area of the garden by adding the same number of meters to both the length and the width. What will be the length, in meters, of the garden after Jason enlarges it?

Linda is playing a game. On each turn that she takes, she can earn either 2 points or 3 points. She has taken 16 turns and has earned a total of 34 points. On how many turns has Linda earned 2 points?

Tags

CCSS.8.EE.C.8C

Alyssa invested $500 into an account. The value of the account after t years can be found using the function f(t) = 500(1.068)^t. What is the percent annual rate of change in the value of the account?

Tags

CCSS.HSF-LE.A.1C