Solving Equation Using Quadratic Formula

What is the first step in solving quadratic equation using Quadratic Formula?

• Find the values of a, b, and c

• Transform the equation in standard form if necessary.

• Substitute the values of a, b, and c in the Quadratic Formula

• Simplify the equation

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation: x² – 4x - 21 = 0 using the quadratic formula.

• 7 and -3

• -3 and 7

Tags

CCSS.HSA-REI.B.4B

From what methods of solving quadratic equation the Quadratic Formula is derived?

• Extracting square roots

• Factoring

• Completing the square

• Graphing

Tags

CCSS.HSA-REI.B.4B

What is this formula?

• This is the speed of light formula.

• This is the quadratic formula.

• This is the zero product property.

• This is scary.

Tags

CCSS.HSA-REI.B.4B

Solve x² - x - 12 = 0

• x = -6 or x = 2

• x = 12 or x =-1

• x = -11 or x = 1

• x = 4 or x = -3

Tags

CCSS.HSA-REI.B.4B

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

Find the value of p in the given equation. (5 points)

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

Solve for the value of m in the given equation. (5 points)

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

What is this formula? (1 point)

• Speed of light formula

• Quadratic formula

• Zero product property

• Square of sum and difference

Tags

CCSS.HSA-REI.B.4B

Solve Using the Quadratic Formula (5 points) 

2x² + 7x - 15 = 0

• -1.5 or 5

• No Solution

• -5 or 1.5

• 0.7 or 5

Tags

CCSS.HSA-REI.B.4B