### 5.6 Polynomials

Problem #

Problem Statement

Problems Similar To

1.

Rewrite the polynomial with the terms in descending order by degree of variable x.

$$5x+3+5x^{3}-8x^{9}$$

2.

Rewrite the polynomial with the terms in descending order by degree of variable x.

$$3x^{2}y^{2}+8x^{5}y^{10}-4x^{10}y^{3}$$

3.

Rewrite the polynomial with the terms in descending order by degree of variable x.

$$9x^{2}y^{8}-7x^{6}y^{7}+11x^{8}y^{9}+6$$

4.

Solve for x = 3

$$x^{4}$$

5.

Solve for x = 6

$$(x-5)^{(-4)}$$

6.

Solve for x = 3

$$x^{(-2)} \times 2^{(-2)}$$

7.

Solve for x = 5, y = 3

$$4x^{(-y)}$$

8.

Solve for x = 3, y = 2

$$(3x)^{(-y)}$$

9.

Solve for x = 4, y = 5

$$x^{3}y^{(-3)}$$

10.

Solve for x = 7

$$7x^{2}+4x+6$$

11.

Solve for x = 2

$$6x^{3}+3x^{2}+9$$

12.

Solve for x = 3

$$3x+7-10x^{3}$$

13.

Solve for x = 3

$$10x^{5}-9x+10x^{2}-8$$

14.

Solve for x = 5

$$2x+x^{3}-10x^{2}$$

15.

If a rock is thrown upward at a speed of 160 ft per second, the height it reaches in t seconds is $160t - 16t^{2}$. Find the height of the rock, above ground, after t = 6 sec

$$160t-16t^{2}$$

16.

An egg is dropped off the top of a building. Its height in meters above the ground can be approximated by the polynomial $300 + 2t - 5t^{2}$, where t is the time since it was thrown in seconds. How high is the egg above the ground after t = 4 seconds?

$$300+2t-5t^{2}$$