NC Math 1 EOC Review

What expression is equivalent to x² - 81?

• (x + 81)(x -1)
• (x + 9)(x + 3)(x - 3)
• (x - 9)(x - 9)
• (x - 9)(x + 9)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Suppose that the equation

V = 20x² - 363.2x +2500, represents the value of a car from 1962 – 2000. If the year 1962 is represented by x = 0, what year did the car have the least value?

• 1969

• 1971

• 1975

• 1999

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.1

At the airport, the new runway will be parallel to a nearby highway. On the scale drawing of the airport, the equation that represents the highway is 6y = 8x - 11. Which equation could represent the new runway?

• 9y = 12x + 5

• 9x = 12y + 8

• 12y = -9x + 2

• 12x = -9y + 4

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

What is the value of the x-coordinate in the system below?

x + 2y = -3

x - y = -12

• -9

• -7

• 3

• 9

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.11

What is the solution to the system below?

8x + 4y = 12

y = -2x + 3

• (0,3)

• (3,0)

• No solution

• Infinitely many solutions

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation s(t) = –16t² + 64t + 80. What will be the object's maximum height? 

• 2 ft
• 80 ft
• 144 ft
• 64 ft

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

A paper copier reduces paper dimensions by 25% each time it copies.  If the design on the paper is 7 inches wide before it is copied, how wide is it after you copy it 5 times?

• 5.25 inches
• 1.66 inches
• 2.21 inches
• 21.36 inches

Tags

CCSS.6.RP.A.3C

Which is an equation of a line that passes through (2,8) and is parallel to line GH?

• 2x + y = 6

• 2x + y = 8

• 2x + y = 10

• 2x + y = 12

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

At which point do the graphs of 2x = y + 5 and 6x + 2y = -5 intersect?

• (2, -4)

• (-4, 1)

• (1/2, -4)

• (-3/2, -8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which inequality describes the graph?

• 
• 
• 
• 

Tags

CCSS.HSA.REI.D.12