Complex and Inverse

√-4

• -2

• -2i

• 2

• 2i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

(5-2i) + (-7+8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSN.CN.A.2

What does i² = ?

• -1

• √-1

• 1

• -√1

Tags

CCSS.HSN.CN.A.1

(2i)(3i)

• 5i

• -5

• 6i

• -6

Tags

CCSS.HSN.CN.C.8

Simplify.

• -5i

• 5

• 5i

• -5

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3

• f^-1(x) = -1/4x - 3

• f^-1(x) = 1/4x + 3

• f^-1(x) = -4x - 3

Tags

CCSS.HSF-BF.B.4A

Find the inverse of
f(x) = 1/4x - 7

• f^-1(x) = 4x + 7

• f^-1(x) = -4x + 28

• f^-1(x) = -4x - 7

• f^-1(x) = 4x + 28

Tags

CCSS.HSF-BF.B.4A

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

If f(x)=x+5, what is f^-1(x)?

• (x + 5)²

• x - 5

• (x + 5)^-1

• undefined

Tags

CCSS.HSF-BF.B.4A

What operation allows us to verify if functions are inverses?

• Multiplying

• Dividing

• Adding

• Composing

Tags

CCSS.HSF.BF.B.4