Quadratic formula

If the discriminant is negative, then the quadratic has:

• 1 Rational Solution

• 2 Rational Solutions

• 2 Irrational Solutions

• 2 Complex Solutions

If the discriminant equals 0, then the quadratic has:

• 1 Rational Solution

• 2 Rational Solutions

• No solutions

• 2 Complex Solutions

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

• 
• 
• 

• A
• B
• C
• D

Solve using the quadratic formula.  $f\left(x\right)=2x^2-4x+7$  

•  $\frac{2\pm2i\sqrt{10}}{2}$  

•  $\frac{4\pm\sqrt{40}}{4}$  

•  $\frac{2\pm i\sqrt{10}}{2}$  

•  $\frac{2\pm2i\sqrt{40}}{4}$  

Solve using the Quadratic Formula: $-x^2+4x=13$  

•  $2\pm3i$  

•  $-2\pm3i$  

•  $2\pm i\sqrt{17}$  

•  $-2\pm i\sqrt{17}$  

Use the discriminant to determine the number of solutions the following quadratic equation has.

6x² − 2x − 3 = 0

• 76 Two Solutions

• 29 Two Solutions

• 68 Two Solutions

• none of these

How many real number solutions does
2x² + 4x + 2 = 0 have?

• No real number solutions
• One
• Two
• Three or more

In the equation
 $x^2+5x+7\ =0$   match each leading coefficient with its correct letter 

•  $a=0,b=5,c=7$  

•  $a=1,b=5,c=7$  

•  $a=7,b=5,c=1$  

•  $a=x^2,\ b\ =\ 5x,\ c\ =\ 7$  

What is the missing number in the formula for the quadratic equation,  $5x^2-x\ +7\ =\ 0$  ?
 $x\ =\frac{-\left(?\right)\pm\sqrt{\left(\ -1\right)^2-4\left(5\right)\left(7\right)}}{2\left(5\right)}$  

• 7

• 5

• -1

• 1