Inequalities

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as >, <, ≥, or ≤.

Front

What does the symbol '>' mean in inequalities?

Back

'>' means 'greater than'. For example, x > 5 means x is greater than 5.

Front

What does the symbol '<' mean in inequalities?

Back

'<'' means 'less than'. For example, x < 3 means x is less than 3.

Front

What does the symbol '≥' mean in inequalities?

Back

'≥' means 'greater than or equal to'. For example, x ≥ 10 means x is greater than or equal to 10.

Front

What does the symbol '≤' mean in inequalities?

Back

'≤' means 'less than or equal to'. For example, x ≤ 4 means x is less than or equal to 4.

Front

How do you solve the inequality 4x + 10 < 34?

Back

Subtract 10 from both sides: 4x < 24. Then divide by 4: x < 6.

Front

What is the solution to the inequality -2n - 7 > -25?

Back

Add 7 to both sides: -2n > -18. Then divide by -2 (remember to flip the inequality): n < 9.

Front

If Samir can spend up to $40 and spends $16 on soda, how much can he spend on chips?

Back

He can spend up to $40 - $16 = $24 on chips.

Front

If chips cost $4 per bag, how many bags can Samir buy?

Back

He can buy 24 / 4 = 6 bags of chips.

Front

What is a number line?

Back

A number line is a visual representation of numbers on a straight line, where each point corresponds to a number.