Algebra Test Practice

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 2 is an algebraic expression.

Front

Define a variable in algebra.

Back

A variable is a symbol, often a letter, that represents an unknown value in an expression or equation. For example, in the expression 5x, 'x' is the variable.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform any possible operations to make the expression easier to understand or calculate.

Front

What is the solution of the equation r - 11 = 5?

Back

The solution is r = 16.

Front

How do you represent 'three less than the product of four and a number'?

Back

The algebraic expression is 4w - 3.

Front

What is the value of c in the expression 14 + 3c^2 - 15 + c when c = 4?

Back

The value is 51.

Front

What is the first step to solve the equation a + 56 = 128?

Back

Subtract 56 from both sides to isolate 'a': a = 128 - 56.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable. For example, in 4x, 4 is the coefficient.

Front

What does it mean to combine like terms?

Back

Combining like terms means to add or subtract terms that have the same variable raised to the same power.

Front

What is the simplified form of 3t + 7y + t + 3y?

Back

The simplified form is 4t + 10y.