Proving the quadratic formula
Ordering exercise
Put the items in the right order.
START
1.Divide by a
2.Completing the square
3. Isolate x (part 1)
4. Calculate the square at the right and make the denominators equal
5. Add the fractions
6. Calculate the square root
7. Simplify the square root
8. Isolate x (part 2)
9. Add the fractions
FINISH!