Solving Quadratics and Complex Numbers

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.REI.B.4

CCSS.HSA.CED.A.1

What is this formula?

• Pythagorean Theorem

• Quadratic formula.

• Slope Formula

• Function Formula

Tags

CCSS.HSA-REI.B.4B

Solve    2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

Tags

CCSS.HSA-REI.B.4B

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4
• -4 & 10
• -8 & 4
• 8 & -4

Tags

CCSS.HSA-REI.B.4B

Solve by Quadratic Equation

4x²-7x+5=0

• (7 ± i √31 ) / 8

• (-1 ± i √55 ) / 8

• (7 ± √31) / 4

• (1 ± i √57) / 8

Tags

CCSS.HSA.REI.B.4

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

-2x² = -98

• -7
• 7
• ±7
• ±49

Tags

CCSS.HSA.REI.B.4

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solution

Tags

CCSS.8.EE.A.2

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

√-81

• 9i
• -9i
• -9
• 9

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2