Complex Numbers, Radicals & Quadratic Formula Review

Determine the values of a, b, and c for the quadratic equation:

4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Use the quadratic formula to find the solutions for
 $y=-x^2-5x+12$  

• No Real Solution

•  $\frac{5\pm\sqrt{73}}{-2}$  

•  $\frac{-5\pm\sqrt{73}}{-2}$  

•  $\frac{5\pm\sqrt{73}}{2}$  

Tags

CCSS.HSA-REI.B.4B

How many solutions does the equation 4x² + 4x + 1 = 0 have?

• 0
• 1
• 2
• More than 2

Tags

CCSS.HSA-REI.B.4B

 $\sqrt{-4}$ 

• -2

• -2i

• 2

• 2i

Tags

CCSS.HSN.RN.A.2

CCSS.HSN.CN.C.7

CCSS.HSN.CN.A.1

What does i² = ?

• -1
• √-1
• 1
• -√1

Tags

CCSS.HSF-IF.C.8B

Simplify  $\sqrt{x^2y^3}$  

• $xy\sqrt{y}$

• $x^2y^2\sqrt{y}$

• $xy\sqrt{xy}$

• $2xy\sqrt{y}$

Tags

CCSS.HSN.RN.A.2

CCSS.HSN.RN.A.1

Simplify

• 3x²y²z√3yz
• 3xyz√xy²
• 3xyz
• Can't Simplify

Tags

CCSS.HSN.RN.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

Simplify

• yz⁶  ⋅ ∛xy²z²
• yz⁶  ⋅ ∛xyz
• y²z¹⁰ ⋅ ∛xy²z²
• y²z¹⁰ ⋅ ∛xy

Tags

CCSS.HSN.RN.A.2

CCSS.HSN.RN.A.1

Simplify:  $\sqrt{45n^3}$ 

•  $3n\sqrt{5n}$  

•  $4n\sqrt{8}$  

•  $4n\sqrt{-8}$  

•  $10\sqrt{n}$  

Tags

CCSS.HSN.RN.A.2

CCSS.HSA.SSE.B.3

Simplify:
(3 + 2i) + (4i + 6)

• 9 + 6i
• 7i + 8
• 9 + 6i²
• 9 - 6i

Tags

CCSS.HSN.CN.A.2