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PreCalculus
1.5 and 1.6 Review
Question | Answer |
---|---|
How many solutions do you get when the discrimant is equal to 0? | One solution |
How many solutions do you get when the discrimant is equal to a positive number? | Two solutions |
Howm many solutions do you get when the discrimant is equal to a negative number? | No solutions |
The discrimant is: | b^2-4ac |
The quadratic equation is: | (-b+-sqrt(b^2-4ac))/(2a) |
Factoring | FOIL |
Completing the Square | Put only the x^2 term and the x term on the left. Divide the coefficient of the x by 2; then square it. Add that number to both the left and the right hand side. |