Solve Quadratics by Quad. Formula, Factoring and Sq. Roots

Solve using the quadratic formula
 $3r^2-7r-48\ =\ 0$  

• No Solution
  

• x = 5.33 and x = -3
  

• x = 3 and x = -3
  

• x = 5.2 and x = -5.2
  

Solve by taking square roots.
 $b^2+7\ =\ 23$  

• x = 4 and x = -4
  

• x = 8 and x = -8
  

• x = 4
  

• x = 8
  

Solve the equation by factoring.
 $m^2-15m+56=0$  

• x = 8 and x = 7
  

• x = -8 and x = -7
  

• x = 5 and x = 0
  

• x = 8
  

Solve using the quadratic formula
 $2p^2+p\ -28\ =\ 0$  

• x = 1 and x = -3
  

• No Solution
  

• x = 8 and x = -8
  

• x = 3.5 and x = -4
  

Solve by taking the square root
 $7x^2+2\ =\ 478$  

• x = 68 and x = -68
  

• x = 8.246 and x = -8.246
  

• x = 4.243 and x = -4.243
  

• x = 8.281
  

Solve by factoring
 $7n^2+9n\ +2=0$  

• x = -2/7 and x = -1
  

• x = 2/7 and x = 1
  

• x = 7 and x = 2
  

• x = -7 and x = -2
  

Solve using the quadratic formula
 $2r^{2\ }+9r\ +\ 3\ =\ -4$  

• x = 3 and x = -2
  

• x = 1.823 and x = -0.823
  

• x = -1 and x = -3.5
  

• No solution
  

Solve by taking the square root.
 $4n^{2\ }-\ 10\ =\ 26$  

• x = 3 and x = -3
  

• x = 6 and x = -6
  

• x = 2 and x = -2
  

• x = 9 and x = -9
  

Solve by factoring
 $2a^{2\ }-3a\ -16\ =4\$  

• x = -5/2 and x = 4
  

• x = -2/5 and x = 4
  

• x = 8 and x = 5
  

• x = -8 and x = -5
  

Solve using the quadratic formula
 $4n^{2\ }+6n\ -\ 48\ =\ -8$  

• x = 3 and x = -2.5
  

• x = -3 and x = 2.5
  

• x = 2.5 and x = -4
  

• x = 5 and x = -4.67