Quadratic Formula

• x = -2

• x = 2

• no real solution

• x = -2 and 2

Tags

CCSS.HSA-REI.B.4B

Identify a, b and c in the quadratic equation: $2x^2-3x-5=0$   

• a = 2 , b = 3, c = -5

• a = 2, b = -3, c = 5

• a = 2, b = -3, c = -5

• a = -2, b = 3, c = 5

Tags

CCSS.HSA.REI.B.4

 $b^2-4ac$  is called the . . .

• Square root

• Quadratic formula

• X-intercepts

• Discriminant 

Tags

CCSS.HSA-REI.B.4B

• x = 7 and -2

• x = 7 and 2

• x = -7 and -2

• x = -7 and 2

Tags

CCSS.HSA-REI.B.4B

Solutions of a quadratic equation are also called

• roots

• x-intercepts

• zeros

• All of the above

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

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

 $x^2+4x+3=0$  

• x = 1 and -3

• x = -1 and -3

• x = -1 and 3

• x = 1 and 3

Tags

CCSS.HSA-REI.B.4B

What method would you use to solve $x^2-16=0$   

• Factoring Method

• Completing the Square Method

• Quadratic Formula

• Square Root Method

Tags

CCSS.HSA-REI.B.4B

 $x^2+2x-1=2$  

• x = -1 and -3

• x = 1 and 3

• x = 1 and -3

• x = -1 and 3

Tags

CCSS.HSA-REI.B.4B

The first step in solving quadratic equations is to . . .

• factor

• write the equation in standard form equal to zero

• use quadratic formula

• complete the square

Tags

CCSS.HSA-REI.B.4B