Exam 2 Review

Question 1

The vertex of a parabola equation is what?

Answer 1

(-b/2a, f(-b/2a))

Question 2

How do you find the y intercept?

Answer 2

Find f(0).

Question 3

How do you find the x intercepts of an equation?

Answer 3

Set the equation = to 0 and solve for x. (Factor or quadratic equation)

Question 4

What is the quadratic formula?

Answer 4

-b plus or minus square root b^2-4ac all o.ver 2a

Question 5

What is the standard form of a quadratic function?

Answer 5

f(x)=a(x-h)^2+k a is not equal to zero.

Question 6

What do you do to rationalize (4-i)?

Answer 6

Multiply numerator and denominator by it’s conjugate (4+i)

Question 7

Remember to use a hard bracket if the sign is what?

Answer 7

equal to or lesser or greater than.

Question 8

To state possible zeros what do you do?

Answer 8

List all positive negative factors of the constant over all possible positive and negative factors of the leading coefficient.