5 Questions
What is an algebraic expression?
An algebraic expression comprises both numbers and variables together with at least one arithmetic operation.
What is a variable?
A variable is a letter that represents unspecified numbers.
How do you evaluate an algebraic expression?
To evaluate an algebraic expression, you have to substitute each variable with a number and perform the operations included.
Evaluate the expression $4\cdot x-3$ when $x=5$.
Substituting $x$ with 5, we get $4\cdot 5-3$. Performing the calculations, we get $20-3=17$.
What is a power?
A power is an expression that represents repeated multiplication of the same factor.
Test your knowledge of expressions and variables in Algebra 1 with this quiz. Learn how to identify algebraic expressions, understand the role of variables, and perform arithmetic operations. Challenge yourself with practice problems and check your answers.
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