Unit 5 Equations and Inequalities

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

What does 's ≤ 17' mean in a real-world context?

Back

It means that the value of 's' (time spent on science homework) can be 17 minutes or less.

Front

How do you solve the inequality k ÷ 8 = 4?

Back

Multiply both sides by 8 to get k = 32.

Front

What does the expression 'x > 7' represent?

Back

It represents that the value of 'x' is greater than 7.

Front

What is the first step to solve the equation 10x = 90?

Back

Divide both sides by 10 to isolate x.

Front

What does 'x ≤ 8' indicate about the value of x?

Back

It indicates that x can be 8 or any number less than 8.

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 or less than another.

Front

How can you represent '7 is less than a number' mathematically?

Back

It can be represented as x > 7.

Front

What does the term 'solution of an inequality' mean?

Back

It refers to the set of values that make the inequality true.

Front

What is the purpose of using inequalities in real life?

Back

Inequalities help to express limits, constraints, and comparisons in various situations.