NC Math 1 Review 102

Which graph shows the solution for the system of inequalities below?

• A

• B

• C

Tags

CCSS.HSA.REI.D.12

The amount of medicine in Elizabeth's blood is modeled by the function M(t) = t^2 + 10t, where t is the number of hours after she takes the medicine. How many hours after Elizabeth takes her medicine is the amount of medicine in her blood the highest?

• A. 5 hours

• B. 10 hours

• C. 25 hours

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.4

CCSS.HSA.REI.B.4

CCSS.HSF.IF.C.7

What is the smallest positive integer for x, so that the value of f(x) = 200(2)^x is greater than the value of g(x) = 500x + 400?

• A. 1

• B. 2

• C. 3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSF.LE.A.3

What is the y-intercept of the function f(x) = 3(2x - 4)?

• A. (0, -4)

• B. (0, -2)

• C. (0, 1)

Tags

CCSS.HSA.REI.B.3

CCSS.HSF.IF.A.2

A girl drops a ball from a height of 10 feet. Each time the ball hits the ground, it bounces to 2/3 its previous height. Which equation gives y, the height of the ball after x bounces?

• A. y = 10(2/3)^x

• B. y = 10(3/2)^x

• C. y = 3(10)^x

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

Which expression is equivalent to 3(x - 4)^2?

• A. 3x^2 + 48

• B. 3x^2 - 24x + 48

• C. 9x^2 - 72x + 144

Tags

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

Jane owns x comic books. Derrek owns y comic books. The number of comic books Jane owns is 1 less than 2 times the number Derrek owns. Together they have a total of 11 comic books. How many comic books does Derrek own?

• A. 3

• B. 4

• C. 5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.3

James is at a gift sale where everything costs $6 (tax included). James has $50. James must have at least $28 remaining when he is finished buying gifts. What is the greatest number of gifts James can buy?

• A. 3

• B. 4

• C. 5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.3

The expression 5t^2 + 40t predicts the height, in meters, of an object t seconds after a person launches it into the air. Using this expression, how many seconds will it take the object to hit the ground?

• A. 0 seconds

• B. 5 seconds

• C. 8 seconds

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSA.REI.B.4

The function f(x) = 1/2 x - 6 was replaced with f(x) + k = 1/2 x - 4. What is the value of k?

• A. 2

• B. -2

• C. 4

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.4