Practice Polynomials in Math

Use these practice problems to test your method after reviewing the concept explanation and worked examples.

Quick Recap

An expression built by adding terms that consist of constants multiplied by variables raised to non-negative integer powers.

A sum of terms like 3x2+2xโˆ’53x^2 + 2x - 5. The highest power is the degree.

Showing a random 20 of 50 problems.

Example 1

easy
Classify 5x4โˆ’x+25x^4 - x + 2 by degree and number of terms.

Example 2

easy
Classify 4xโˆ’54x - 5 by degree and number of terms.

Example 3

medium
Is x+1\sqrt{x} + 1 a polynomial? Why?

Example 4

medium
Subtract (2x3โˆ’x+4)(2x^3 - x + 4) from (5x3+3x2โˆ’2)(5x^3 + 3x^2 - 2).

Example 5

medium
Find a polynomial that represents the area of a rectangle with length x+4x + 4 and width xโˆ’2x - 2.

Example 6

medium
Expand (xโˆ’4)2(x - 4)^2.

Example 7

medium
Multiply: 3x(2x2โˆ’x+4)3x(2x^2 - x + 4).

Example 8

easy
Is xโˆ’2+3x^{-2} + 3 a polynomial?

Example 9

easy
Add: (2x+3)+(xโˆ’5)(2x + 3) + (x - 5).

Example 10

hard
Expand (x+2)3(x + 2)^3.

Example 11

medium
Evaluate the polynomial x2โˆ’2x+1x^2 - 2x + 1 at x=1x = 1.

Example 12

hard
Divide x3+2x2โˆ’5xโˆ’6x^3 + 2x^2 - 5x - 6 by xโˆ’2x - 2 using synthetic division.

Example 13

easy
What is the degree of 3x4โˆ’2x+13x^4 - 2x + 1?

Example 14

medium
Find the degree and leading coefficient of (2x2โˆ’1)(x3+4)(2x^2 - 1)(x^3 + 4) after expansion.

Example 15

medium
Multiply: (x+2)(x+3)(x + 2)(x + 3).

Example 16

easy
What is the leading coefficient of โˆ’4x3+9xโˆ’1-4x^3 + 9x - 1?

Example 17

hard
What is the sum of all coefficients of (3xโˆ’2)5(3x - 2)^5 when expanded?

Example 18

easy
Evaluate P(x)=x3โˆ’2x+1P(x) = x^3 - 2x + 1 at x=2x = 2.

Example 19

medium
Expand (2xโˆ’1)2(2x - 1)^2.

Example 20

medium
What is the degree of (x2+1)(x3โˆ’x)(x^2 + 1)(x^3 - x)?