8th PBA Test #3 Practice Set 24-25

Front

What is the formula to calculate percent increase?

Back

Percent Increase = ((New Value - Old Value) / Old Value) * 100

Front

What is the percent increase if sales go from 10,000 to 18,500?

Back

85%

Front

What does the inequality x ≤ -2 OR x > 5 represent on a number line?

Back

It represents all numbers less than or equal to -2 and all numbers greater than 5.

Front

What does the inequality x > 2 or x ≤ -3 mean?

Back

It means all numbers greater than 2 or all numbers less than or equal to -3.

Front

How do you factor the expression x² - 5x?

Back

x(x - 5) is the factored form.

Front

What is the expression for the product of seven and a number increased by five?

Back

7n + 5

Front

What is an inequality?

Back

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

Front

What is the difference between 'AND' and 'OR' in inequalities?

Back

'AND' means both conditions must be true, while 'OR' means at least one condition must be true.

Front

How do you solve the inequality x + 3 > 5?

Back

Subtract 3 from both sides: x > 2.

Front

What is the solution set for the inequality x < 4?

Back

All real numbers less than 4.