Solve Quadratics by Square Roots and Quadratic Formula

• Square root

• Quadratic formula

• X-intercepts

• Discriminant 

If the discriminant is equal to -2, how many solutions are there?

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

Make a true statement about about Graph B

The discriminant is ​​ (a)  

There will be ​ ​ (b)  

• negative
• two complex solutions
• positive
• zero
• one real solution
• two real solutions

Make a true statement about about Graph C

The discriminant is ​​ ​ (a)  

There will be ​ ​ (b)  

• positive
• two real solutions
• zero
• one real solution
• negative
• two complex solutions

Solve using the quadratic formula...

9x² = 4 + 7x

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• No solution