Unit 2 Review

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

How do you express '5 less than b' as an algebraic expression?

Back

b - 5

Front

What is the process to solve an inequality?

Back

To solve an inequality, isolate the variable on one side of the inequality sign using inverse operations, similar to solving an equation.

Front

What is the solution to the inequality -5(x - 4) + 7x > 25?

Back

x > 3

Front

How do you express 'the quotient of 15 and a number' as an algebraic expression?

Back

15 / x

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater than, less than, or not equal to another.

Front

How do you solve the equation 11.1 = b + 15.3?

Back

To solve for b, subtract 15.3 from both sides: b = 11.1 - 15.3, which simplifies to b = -4.2.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What is the simplified form of the expression 5m - 3m?

Back

2m

Front

What are like terms in algebra?

Back

Like terms are terms that have the same variable raised to the same power. They can be combined by adding or subtracting their coefficients.