Quadratic Formula

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

Identify the 'a' value: y = 16x² -8x -24

• 16
• 8
• -8
• -24

QUESTION 5

• A
• B 
• C 
• D 

QUESTION 1

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula.
2x² - 9x - 35 = 0

• x = 7/2, x = -6
• x = -5/2, x =5
• x = -3/7, x =6
• x = -5/2, x = 7

Tags

CCSS.HSA-REI.B.4B

Solve by Quadratic Equation
6x²-8=0

• (±2√3)/3
• (-9±√105)/6
• (±2i√3)/3
• ±2√2

Tags

CCSS.8.EE.A.2

Identify the 'b' value: y = 16x² -8x -24

• 16
• -8
• 8
• -24

What is the first step in solving a quadratic equation using the quadratic formula?

• Identify the coefficients a, b, and c.

• Evaluate the discriminant.

• Rewrite the equation in standard form and set equal to zero.

• Substitute the values for a, b, and c into the quadratic formula.

Tags

CCSS.HSA-REI.B.4B

Can I begin identifying the a, b, and c coefficients of the following equation:

x² - 3x + 6 = 1

• Yes

• No

Tags

CCSS.HSA.REI.B.4

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B