North Carolina Math 3 EOC Post Test

Standard: F-BF.4a
DOK: 1
1 pt

9.

What is the domain of the inverse of the function, $y={x}^{3}$?

A

$0\le x<\infty $

B

$3\le x<\infty $

C

$-\infty <x<\infty $

D

$0<x<\infty $

Standard: G-CO.14
DOK: 3
1 pt

15.

Circle *B* includes $\stackrel{\u23dc}{XY}$ that measures 4 feet. What is the length of Circle *B*’s diameter, rounded to the nearest tenth.

A

7.8 feet

B

48 feet

C

7.6 feet

D

15.3 feet

Standard: F-BF.4b
DOK: 2
1 pt

29.

Use the table below to determine if the inverse relation of the given function is also a function.

A

The inverse is also a function.

B

The inverse is not a function.

Standard: G-CO.10
DOK: 2
1 pt

32.

The intersection where three perpendicular bisectors cross with a triangle is called:

A

incenter

B

orthocenter

C

circumcenter

D

centroid

Standard: N-CN.9
DOK: 3
1 pt

41.

State the possible number of real zeros for the function. Then factor each and find all zeros.

$f\left(x\right)=5{x}^{3}\u201313{x}^{2}\u20136x$

A

B

C

D