Practice Test 4

Front

What is an inequality?

Back

Front

What does the symbol '≤' mean?

Back

The symbol '≤' means 'less than or equal to'. It indicates that the value on the left can be either less than or equal to the value on the right.

Front

How do you check if a number is a solution to an inequality?

Back

To check if a number is a solution to an inequality, substitute the number into the inequality and see if the statement is true.

Front

What is the solution set of an inequality?

Back

The solution set of an inequality is the set of all values that make the inequality true.

Front

Back

It means that when you substitute that number for w in the inequality, the resulting statement is true.

Front

Back

The first step is to isolate the variable w by adding 10 to both sides of the inequality.

Front

Back

Front

Back

Front

What does it mean if w is greater than or equal to -21?

Back

It means that w can be any number that is -21 or greater.

Front

Back

Any number greater than or equal to -21 is a solution, such as -21, 0, or 10.