Solving Quadratic Equations Using Quadratic Formula

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

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

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

When do you use the plus or minus symbol? (1 point)

±

• After taking the square root of both sides

• After adding the square to both sides

• After taking half of b

• After setting the equation equal to zero

Tags

CCSS.HSA-REI.B.4B

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

• 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 using the quadratic formula:

4x² + 4x + 1 = 0

• x = -½

• x = -2

• x = 0

• x = ½

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12.

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

• 
• 
• 

Tags

CCSS.HSA-REI.B.4B