NC Math 1 Midterm Review

Which is a line that is parallel to y = 2x - 5 and passes through (1, 5)?

• y = 2x + 5

• y = 2x + 3

• y = -1/2x + 5

• y = -1/2x + 11/2

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Two functions are shown below:

• f(x) = (1/2)(2)^x
• g(x) = 3x + 1

What is the largest integer value of x such that f(x) < g(x)?

• 4

• 5

• 6

• 7

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3

Write the equation of the line that is perpendicular to the graph of 4x + 3y = 9 and passes through (-1, 0).

• 4x + 3y = -4

• 4x + 3y = -3

• 3x - 4y = 4

• 3x - 4y = -3

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

A club began with 4 members. Each month, each member brought one new member. Write the function that can be used to determine the number of members x months after the club began.

• y = 4x + 1

• y = x + 4

• y = 4(2)^x

• y = 2(4)^x

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Every ten years, the Census counts how many people are living in every town in the U.S. The 2010 census showed that Appleville had 500 citizens and that Bridgetown had 2,000 citizens. The population of Appleville is predicted to double every 10 years. The population of Bridgetown is predicted to increase by 500 citizens every 10 years. If the predictions hold true, what will be the first census year that will show Appleville with a larger population than Bridgetown.

• 2020

• 2030

• 2040

• 2050

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

The function f(x) = -0.75x + 12 models the height of candle x seconds after it has been lit. What is the meaning of the y-intercept?

• the current height of the candle

• the speed that the candle's height is decreasing

• the number of seconds after it has been lit

• the initial height of the candle

Tags

CCSS.HSF.LE.B.5

CCSS.HSS.ID.C.7

Abby scored 87, 93, 96, 89 on her first four math quizzes. What score does Abby need to earn on her fifth quiz to have an average of exactly 80?

• 80

• 85

• 90

• 95

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.4

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

How many solutions does the system of equations below have?

y = 2x + 9

y = -3x - 4

• One Solution

• No Solution

• Many Solutions

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

How many solutions does the system of equations below have?

y = -x + 6

y = -x + 8

• One Solution

• No Solution

• Many Solutions

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

How many solutions does the system of equations below have?

y = -4x + 5

y = -4x + 5

• One Solution

• No Solution

• Many Solutions

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11