solving a quadratic equation check in

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.CED.A.1

CCSS.HSA.REI.B.4

What is this formula?

• This is the standard formula.

• This is the quadratic formula.

• This is the square root formula.

• This is the Pythagorean formula

Tags

CCSS.HSA-REI.B.4B

What should you do first in solving this equation?

x² + 6x - 13 = 3

• Factor

• Write down: a = 1, b = 6, c = -13

• Subtract 3 from both sides.

• Add 3 to both sides.

Tags

CCSS.HSA-REI.B.4B

Factor completely: Select the correct factors

y² - 7y + 12

• (y - 3)

• (y - 4)

• (y + 3)

• (y+4)

Factor completely: select all the correct factors

4x² - 121

• (2x + 11)

• (2x - 11)

• (4x + 121)

• (4x - 121)

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.CED.A.1

CCSS.HSA.REI.B.4

Can you solve this equation by factoring? Now solve using your choice of method.

x² + 13x + 12 = 0

• yes x = -12, -1

• no x = -12, -1

• yes x = 13, 1

• no x = -13, -1

Which method of solving is this problem set up for?

(x+1)(x-2)=0

• Factoring: -1, 2

• Factoring: 1, -2

• Quadratic formula: -1, 2

• Quadratic formula 1, -2

What method do you prefer when solving a quadratic?

• Factoring

• Quadratic formula

The method for solving a quadratic that works on all is the ____________