wk 4

evaluated x²- 4x - 12 = 0

evaluated 18 on p. 680

Show a check of your solutions back into the original equation.

For the quadratic formula problem, be sure that you use readable notation while you are working the computational steps.

Present your final solutions as decimal approximations carried out to the third decimal place. Due to the nature of these solutions, no check is required.

Useboldfont to emphasize the words in your writing. Do not write definitions for the words; use them appropriately in sentences describing your math work.

Quadratic formula

Factoring

Completing the square

Discriminant