Skip to main content
Ch. R - Review of Basic Concepts
Lial - College Algebra 13th Edition
Lial13th EditionCollege AlgebraISBN: 9780136881063Not the one you use?Change textbook
Chapter 1, Problem 37

Find each sum or difference. 4 - 9

Verified step by step guidance
1
Identify the operation to be performed, which is subtraction: subtract 9 from 4.
Write the expression as an equation: \$4 - 9$.
Understand that subtracting a larger number from a smaller number will result in a negative number.
Perform the subtraction by finding the difference between 9 and 4, which is \$9 - 4$.
Attach the negative sign to the difference to get the final expression: \(-(9 - 4)\).

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
2m
Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Subtraction of Integers

Subtraction involves finding the difference between two numbers by removing the value of the second number from the first. When subtracting integers, consider their signs to determine the result accurately.
Recommended video:
5:56
Adding & Subtracting Functions

Number Line Understanding

A number line helps visualize subtraction by showing movement to the left when subtracting a positive number and to the right when subtracting a negative number, aiding in understanding the direction and magnitude of the result.
Recommended video:
Guided course
06:49
The Slope of a Line

Basic Arithmetic Operations

Basic arithmetic operations include addition, subtraction, multiplication, and division. Mastery of these operations is essential for solving algebraic expressions and understanding more complex mathematical concepts.
Recommended video:
Guided course
6:40
Arithmetic Sequences - Recursive Formula