Quadratic Formula Review

Solve for x.

 $2x^2-x=6$  

•  $x=2,\ -\frac{3}{2}$  

•  $x=-2,\ \frac{3}{2}$  

•  $x=\frac{1\pm\sqrt{50}}{4}$  

•  $x=\frac{-1\pm\sqrt{50}}{4}$  

Tags

CCSS.HSA-REI.B.4B

Solve for x.

 $5x^2+6x-2=0$  

•  $x=\frac{2}{5},\ \frac{4}{5}$  

•  $x=-\frac{2}{5},\ -\frac{4}{5}$  

•  $x=\frac{-6\pm\sqrt{76}}{10}$  

•  $x=\frac{6\pm\sqrt{76}}{10}$  

Tags

CCSS.HSA-REI.B.4B

Solve for x.

 $x^2+5x-13=-4$  

•  $x=\frac{-5\pm\sqrt{93}}{2}$  

•  $x=\frac{5\pm\sqrt{93}}{2}$  

•  $x=\frac{5\pm\sqrt{61}}{2}$  

•  $x=\frac{-5\pm\sqrt{61}}{2}$  

Tags

CCSS.HSA-REI.B.4B

Solve for x.

 $2x^2-11x+8=0$  

•  $x=\frac{11\pm\sqrt{57}}{4}$  

•  $x=\frac{-11\pm\sqrt{57}}{4}$  

•  $x=\frac{-11\pm\sqrt{89}}{4}$  

•  $x=\frac{11\pm\sqrt{89}}{4}$  

Tags

CCSS.HSA-REI.B.4B

Determine the number of solutions for the following quadratic.

 $x^2-x+7=0$  

• No Real Solutions

• One Real Solution

• Two Real Solutions

• Three Real Solutions

Tags

CCSS.HSA-REI.B.4B

Determine the number of solutions for the following quadratic.

 $9x^2-6x+1=0$  

• No Real Solutions

• One Real Solution

• Two Real Solutions

• Three Real Solutions

Tags

CCSS.HSA-REI.B.4B

Determine the number of solutions for the following quadratic.

 $3x^2-5x-4=0$  

• No Real Solutions

• One Real Solution

• Two Real Solutions

• Three Real Solutions

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic for x.

 $2x^2+11=19$  

•  $x=4,\ -4$  

•  $x=2,\ -2$  

•  $x=\pm\sqrt{15}$  

•  $x=\pm\sqrt{28}$  

Tags

CCSS.8.EE.A.2

Solve the following quadratic for x.

 $\left(x+4\right)^2-27=73$  

•  $x=-6,\ 14$  

•  $x=6,\ -14$  

•  $x=-4\pm\sqrt{46}$  

•  $x=4\pm\sqrt{46}$  

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic for x.

 $3\left(x-2\right)^2+8=11$  

•  $x=3,\ 1$  

•  $x=-3,\ -1$  

•  $x=-2\pm\sqrt{\frac{19}{3}}$  

•  $x=2\pm\sqrt{\frac{19}{3}}$  

Tags

CCSS.HSA-REI.B.4B