Solving Quadratic Functions with Leading Coefficients

Factor
4x²-25x+25

• 4(x-5)(x+5)

• (x+5)(4x+5)

• (x-5)(4x-5)

• (x+2)(9x+1)

Solve the equation: 
5x² - 35x + 60 = 0

• x = 3,  -4

• x = -3,  4

• x = 3,  4

• x = -3,  -4

Tags

CCSS.HSA-REI.B.4B

Solve the equation:
4x²+2x - 6 = 0

• x = 1 & -1.5

• x = -1 & 1.5

• x = (-2 ±√92)/8

• x = (-2 ± √100)/8

Tags

CCSS.HSA-REI.B.4B

What are the solutions to this equation? (x-3)(x+2)=0

• x=3,-2

• x=-3,2

• x=2,3

• x=3,2

Tags

CCSS.HSA-REI.B.4B

• √3
• ±√3
• -3
• No real solution

Tags

CCSS.8.EE.A.2

Solve by completing the square. 
 x² − 10x - 11= 0

• x = −1 and 11

• x = 1 and −11

• x = −10 and 11

• x = −5 and 25

Tags

CCSS.HSA-REI.B.4B

What should you do first to solve this equation using quadratic formula?

x² + 6x - 13 = 3

• Get factored form

• Write down: a=1, b=6, c=-13

• Make it equal 0 by subtracting 3 on each side

• Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

Solve the equation using any method:

4x²+2x - 6 = 0

• x = 1 & -1.5

• x = -1 & 1.5

• x = (-2 ±√92)/8

• x = (-2 ± √100)/8

Tags

CCSS.HSA-REI.B.4B

Solve the equation by graphing:

5x² - 35x + 60 = 0

• x = 3, -4

• x = -3, 4

• x = 3, 4

• x = -3, -4

Determine how many solutions:

• One Solution

• Two Solutions

• No Solutions

• Infinitely Many Solutions