May+Computer+Lab+Algebra

[] []
 * 1) Watch the following two videos

Write the expression for discriminant of a quadratic equation ax^2 + bx + c = 0


 * 1) a. The discriminant of 4x^2 – 2x + 5 = 0 is _____________

Explain how did you get the answer


 * 1) b. When the discriminant is > 0 (positive), how many roots/zeros/solutions do you have?

When the discriminant is = 0, how many solutions do you have

When the discriminant is <0 (negative), what kind of roots (solutions) do you have?

[]
 * 1) 2. Watch “Introduction to the quadratic equation”
 * 1) a. Solve x^2 – x – 6 = 0 using factoring


 * 1) b. Find the zeros of f(x) = x^2 + 4x + 4 using factoring


 * 1) c. Find the zeros of f(x) = -10x^2 – 9x + 1 using quadratic formula

The quadratic formula is ____________________________________________

The answer to this question is __________________


 * Congratulations on finishing all the work. You can go to Coolmath.com to have some fun now!**
 * Remember, only COOLMATH.COM**