Inverse Operation

What is the inverse of this function?

• A

• B

• C

• D

Tags

CCSS.HSF-BF.B.4A

Which equation would you use to solve for the unknown angle?

• x = sin^–1(4/5)

• x = cos^–1(4/5)

• x = cos^–1(5/4)

• x = tan^–1(4/5)

Tags

CCSS.HSG.SRT.C.8

Which equation would you use to solve for the unknown angle?

• x = tan^–1(24/7)

• x = tan^–1(7/24)

• x = tan^–1(25/7)

• x = tan^–1(7/25)

Tags

CCSS.HSG.SRT.C.8

Will this matrix have an inverse?

• Yes

• No

• Unable to Determine

Tags

CCSS.HSA.REI.C.9

Which of the following is the inverse of the matrix A= 
⌈3  0⌉
⌊0  2⌋
*Inverse=
                 ¹∕detA × ⌈d  −b⌉                                      ⌊−c  a⌋

• [1/2    0]
  [0    1/3]

• [-3  0]
  [0  -2]

• ⌈1/3   0⌉
  ⌊0   1/2⌋

• [2  0]
  [0  3]

Tags

CCSS.HSA.REI.C.9

Are A and B inverses? 
A = ⌈3  -10⌉
        ⌊1      4⌋
B = ⌈2/11  5/11⌉
         ⌊-1/22   3/22⌋
*AB=I

• Yes

• No

Tags

CCSS.HSA.REI.C.9

Are these matrices inverses of each other?

• Yes

• No

• Unable to Determine

Tags

CCSS.HSA.REI.C.9

Find the inverse.

• A

• B

• C

• D

Tags

CCSS.HSA.REI.C.9

What size is this matrix?

• 2x2

• 2x3

• 3x2

• 1x6

What does it mean to find the inverse of a function?

• the x's and y's are switched

• the x's and y's are divided by 2

• the x's and y's are made negative

• the x's and y's are the same

Tags

CCSS.HSF-BF.B.4A