Imaginary Solutions

Will the following equation have an IMAGINARY answer
11x²-9x+3=0

• yes

• no

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

If the graph of a quadratic does not touch the x-axis at any point, then it has:

• 1 Real Solution

• 2 Real Solutions

• Half a Solution

• No Real Solution / Imaginary solutions

Tags

CCSS.HSF-IF.C.7A

Simplify √-4

• 2i

• -2i

• 2

• 4i

Solve.   x² = √-36

• x = ± 6

• x = 6i

• x = ± 6i

• x = i√6

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

• 10
• -10
• 10i
• -10i

What letter usually represent imaginary number?

• a

• i

• j

• x

• e

Answer explanation

Tags

CCSS.HSN.CN.A.1

What does i² =  ?

• 1

• -1

• √-1

• √1

Tags

CCSS.HSN.CN.A.1

What is the value of i^2?

• 1

• 2

• 0

• -1

Answer explanation

The value of i^2 is -1 because i is defined as the square root of -1.

Tags

CCSS.HSN.CN.A.1

Solve.
  x² = √-100

• x = 10i

• x = ± 10i

• x = ±10

• x = √10

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve.  x² = √-45

• x = ± 3√5

• x = 9i√5

• x = ± 9√5

• x = ± 3i√5

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7