Solving Quadratic Equations with the Quadratic Formula

Solve using the Quadratic Formula:

 $2x^2+7x-15=0$  

•  $x=-1.5,\ 5$  

• No Solution

•  $x=-5,\ 1.5$  

•  $x=0.7,\ 5$  

Tags

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:
(Hint: Set the equation = to 0)

 $x^2+4x-40=-8$  

•  $x=-10,\ -4$  

•  $x=-4,\ 10$  

•  $x=-8,\ 4$  

•  $x=-4,\ 8$  

Tags

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:

 $2x^2-x-3=0$  

•  $x=-\frac{3}{2},\ 1$  

•  $x=-1,\ \frac{3}{2}$  

•  $x=-\frac{3}{2},\ -1$  

•  $x=1,\ \frac{3}{2}$  

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:

 $2x^2+2x-12=0$  

•  $x=-2,\ 3$  

•  $x=2,\ 3$  

•  $x=-3,\ 2$  

•  $x=-3,\ -2$  

Tags

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:

 $8x^2-6x+1=0$  

• No Solution

•  $x=0,\ 1$  

•  $x=-0.5,\ -0.25$  

•  $x=0.25,\ 0.5$  

Tags

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:

 $b^2+b-56=0$  

•  $b=-8,\ 7$  

•  $b=-7,\ 8$  

•  $b=-1.4,\ 1.8$  

•  $b=-0.5,\ 2.5$  

Tags

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:

 $2x^2-8x-24=0$  

•  $x=-2,\ 6$  

•  $x=-6,\ 2$  

•  $x=2,\ 4$  

•  $x=2,\ 6$  

Tags

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:
(Hint:  Set the equation = to 0)

 $x^2+2x=8$  

•  $x=-4,\ 2$  

•  $x=-4,\ -2$  

•  $x=2,\ 4$  

•  $x=-2,\ 4$  

Tags

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:
(Hint: Set the equation = to 0)

 $15x^2+22x=-8$  

•  $x=-\frac{2}{3},\ \frac{4}{5}$  

•  $x=\frac{2}{3},\ -\frac{4}{5}$  

•  $x=\frac{2}{3},\ \frac{4}{5}$  

•  $x=-\frac{2}{3},\ -\frac{4}{5}$  

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:

 $x^2+6x+9=0$  

•  $x=-3,\ 3$  

•  $x=-3$  

•  $x=3$  

• No Solution

Tags

CCSS.HSA.REI.B.4