1. Consider the equation y5=5(x8)2y-5=-5(x-8)^2

Where is the vertex?

Write the equation in standard form:

Where are the x-intercepts enter smaller x value first?

Write the equation in factored form:

Where is the y-intercept?

2. The polynomial 81x^181y^14 can be factored into the product of two polynomials, AB where the coefficient of y in A is greater than the coefficient of y in B. Find A and B.

A=

B=

3. Given the function P(x)=(x2)^2(x5), find

its y-intercept is :

its x-intercepts are x₁ = and x₂₌ ( with x₁2)

When x, y_____ (Input + or - for the answer)

When x, y____ (Input + or - for the answer)

4. Find a degree 3 polynomial having zeros -4, 4 and 6 and the coefficient of x³ equal 1.

The polynomial is =

5. Zach has just been given stock worth $810 that is expected to increase in value by 9% per year. This means that the amount his stock is worth (A) can be calculated by A=8101.09, where t is the number of years since the money was put in.

How many years will it take for the value of his stock be $2521? Round your answer to two decimal places.

years=

6. What is the end behavior of the polynomial? f(x)=4x²2x+4

7. If 30000 dollars is invested at an interest rate of 8 percent per year, find the value of the investment at the end of 5 years for the following compounding methods.

(a) Annual: Your answer is=

(b) Semiannual: Your answer is =

(c) Monthly:Your answer is =

(d) Daily:Your answer is =