- Hello! Today I will be learning how to use the quadratic formula.
- The Equation:-b+-√b^2-4ac-----------------2a
- Our Equation: 2x^2+2x-5=0 In Quadratic Form: -2+-√(2)^2-4(2)(-5) -------------------2(2)
- Starting to solve:-2+-√4+40---------------4
- Add it!-2+-√44------------4
- Square Root:*Since this doesn't square nicely we have to use the jailbreak method:-2+-2√11--------------4
- We have to get rid of the 2:-2/2+-2√11/2-------------4/2
- Final Answer:-1+-√11------------2
- Thanks for learning with me!