Foundations Unit 4 Final Review

Front

Does the inequality sign flip when multiplying or dividing by a negative number?

Back

Yes, the inequality sign flips.

Front

What does the inequality -12y < -24 imply about the value of y?

Back

y > 2

Front

What is the solution to the inequality 3x - 7 < 2?

Back

x < 3

Front

How do you solve the inequality -3(9 + x) ≥ -21?

Back

x ≤ -2

Front

What does the graph of an inequality represent?

Back

The graph shows all the solutions to the inequality.

Front

What is the difference between a strict inequality and a non-strict inequality?

Back

A strict inequality (< or >) does not include the boundary point, while a non-strict inequality (≤ or ≥) does.

Front

How do you represent the solution set of an inequality on a number line?

Back

Use an open circle for strict inequalities and a closed circle for non-strict inequalities.

Front

What is the solution to the inequality x + 5 > 10?

Back

x > 5

Front

What does the inequality x - 4 ≤ 0 mean?

Back

x ≤ 4

Front

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

Back

Substitute the number into the inequality and see if it makes the inequality true.