Quadratic Equations Quadratic Formula

If there are no real solutions, the discriminant is

• zero

• a postive number

• a negative number

• a perfect square

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

Which of the following statements is TRUE?

• All quadratic equations can be solved by square root method.

• All quadratic equations can be solved by factoring.

• All quadratic equations can be solved by quadratic formula.

• If an equation can be solved by completing the square, then the equation can be solved by factoring.

Tags

CCSS.HSA-REI.B.4B

What is the standard form of 3x² - 4x = 5(x-3)?

• 3x² - 4x = 5x - 15

• 3x² + 9x + 15 = 0

• 3x² - 9x - 15 = 0

• 3x² - 9x + 15 = 0

What is b in 3x² - 4x = 5(x-3)?

• 9

• -9

• -4

• 3

Tags

CCSS.HSA-REI.B.4B

What are the roots of 3x² - 4x = 5(x-3)?

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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 
2x² + 7x - 15 = 0

• -1.5 or 5

• No Solution

• -5 or 1.5

• 0.7 or 5

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

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

• 
• 
• 

Tags

CCSS.HSA-REI.B.4B