Review Expressions, Equations, and Inequalities

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign (=).

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

Solve for x: 12k + 15 = 35 + 2k

Back

x = 2

Front

Simplify the expression: −x² + 2 − 1 + 6x² − 4x²

Back

x² + 1

Front

Solve for v: 8v - 4(v + 8) = 8

Back

v = 10

Front

Simplify the expression: 8(x+5) - 4(x+4)

Back

4x + 24

Front

What does the symbol '≤' mean in inequalities?

Back

The symbol '≤' means 'less than or equal to'.

Front

What does the symbol '≥' mean in inequalities?

Back

The symbol '≥' means 'greater than or equal to'.

Front

What is the solution set of the inequality 11 ≤ a?

Back

The solution set includes all values of a that are greater than or equal to 11.