Algebra 2B Final Exam

Use the finite differences method to determine if the data set can be modeled with a first, second or third degree polynomial.

• first degree polynomial

• second degree polynomial

• third degree polynomial

• cannot be determined using finite differences

Write the equation of the graph in factored form.

What is the lowest possible degree of the polynomial graphed?

At what zero is there a multiplicity of 2?

• As x decreases, y increases. As x increases, y increases.

• As x decreases, y increases. As x increases, y decreases.

• As x decreases, y decreases. As x increases, y decreases.

• As x decreases, y decreases. As x increases, y increases.

Which of the following functions has this end behavior?

Left end behavior: As x decreases, y increases

Right end behavior: As x increases, y decreases