Quiz 3.04 Quadratic Formula

Determine the values of a, b, and c for the quadratic equation:

4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

 $b^2+11b-80=0$  

Solve using the Quadratic Formula.

•  $\left\{2,\ -3\right\}$  

•  $\left\{5,\ -16\right\}$  

•  $\left\{4,\ -\frac{14}{5}\right\}$  

•  $\left\{7,\ -\frac{9}{2}\right\}$  

Solve using the quadratic formula.

 $2x^2-9x-35=0$  

•  $x=\frac{7}{2},\ x=-6$  

  
  

•  $x=-\frac{5}{2},\ x=5$ 

•  $x=-\frac{3}{7},\ x=6$ 

•  $x=-\frac{5}{2},\ x=7$  

Solve using the Quadratic Formula.

 $2x^2-8x-19=0$  

•  $\frac{4\pm3\sqrt{6}}{2}$  

•  $\frac{-1\pm\sqrt{29}}{7}$  

•  $\frac{8\pm\sqrt{168}}{4}$  

•  $\frac{3\pm3i\sqrt{3}}{4}$  

Solve using the Quadratic Formula.
 $3x^2+10=4k$  

•  $\frac{4\pm2i}{6}$  

•  $x=3\ and\ x=10$  

•  $\frac{2\pm i\sqrt{26}}{3}$  

•  $x=-4\ and\ x=3$