Reviewing Quadratic Equations

 $x^2\ +\ 2x\ +\ 25\ =\ 11x\ +\ 5$  

• x = 3 and 4

• x = 4 and 5
  

• x = 5 and 6

• x = 6 and 7

Tags

CCSS.HSA-REI.B.4B

 $\left(x\ -\ 3\right)^2\ =\ 16$  

• x = 1 and 0

• x = 2 and 4

• x = -1 and 7

• x = 0 and 4

Tags

CCSS.HSA-REI.B.4B

 $2x^2\ +\ 1\ =\ 51$  

• x =  $\pm$  4

• x =  $\pm$  5

• x =  $\pm$  6

• x =  $\pm$  7

Tags

CCSS.8.EE.A.2

 $9x^2\ -\ 5\ =\ 12x\ -\ 5$  

• x = 0 and 1/4

• x = 0 and 1/2

• x = 0 and 1

• x = 0 and 4/3

Tags

CCSS.HSA-REI.B.4B

 $\left(x\ +\ 5\right)^2\ =\ 121$  

• x = 2 and -12

• x = 4 and -14

• x = 6 and -16

• x = 8 and -18

Tags

CCSS.HSA-REI.B.4B

 $x^2\ -\ 11x\ =\ -30$  

• x = 5 and 6

• x = 6 and 7

• x = 7 and 8

• x = 8 and 9

Tags

CCSS.HSA-REI.B.4B

 $5x^2\ -\ 45\ =\ 0$  

• x =  $\pm$  6

• x =  $\pm$  5

• x =  $\pm$  4

• x =  $\pm$  3

Tags

CCSS.8.EE.A.2

 $\left(x\ -\ 7\right)^2\ =\ 81$  

• x = -2 and 16

• x = - 4 and 8

• x = -16 and 2

• x= -8 and 4

Tags

CCSS.HSA-REI.B.4B