Table of contents

0. Review of Algebra4h 16m
1. Equations & Inequalities3h 18m
2. Graphs of Equations43m
3. Functions2h 17m
4. Polynomial Functions1h 44m
5. Rational Functions1h 23m
6. Exponential & Logarithmic Functions2h 28m
7. Systems of Equations & Matrices4h 6m
8. Conic Sections2h 23m
9. Sequences, Series, & Induction1h 19m
10. Combinatorics & Probability1h 45m

0. Review of Algebra

Exponents

College Algebra

0. Review of Algebra

Exponents

1:26 minutes

Problem 119b

Textbook Question

Identify the property illustrated in each statement. Assume all variables represent real numbers. 5(t+3) = (t+3)*5

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Key Concepts

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

Commutative Property of Multiplication

The Commutative Property of Multiplication states that the order in which two numbers are multiplied does not affect the product. In the given equation, 5(t+3) and (t+3)*5 illustrate this property, as both expressions yield the same result regardless of the order of multiplication.

Distributive Property

The Distributive Property allows us to multiply a single term by a sum or difference within parentheses. In the expression 5(t+3), the distributive property can be applied to expand it to 5t + 15, demonstrating how multiplication distributes over addition.

Equality of Expressions

The concept of equality of expressions asserts that two expressions are equal if they yield the same value for all values of their variables. The equation 5(t+3) = (t+3)*5 shows that both sides are equivalent, reinforcing the idea that different arrangements of terms can represent the same mathematical relationship.