Front

Back

It represents all values of x that are less than or equal to -1, including -1 itself.

Front

What is the inverse operation of addition?

Back

Subtraction.

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Back

You draw a number line, place an open circle at 3, and shade to the left.

Front

Solve the equation |2x – 3| + 5 = 10. What are the solutions?

Back

The solutions are x = -1 and x = 4.

Front

Back

The interval notation is (-∞, 20).

Front

What is the definition of an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is less than, greater than, less than or equal to, or greater than or equal to the other.

Front

Back

It means 'greater than or equal to'.

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Back

The solution includes all values of x that are greater than or equal to -1.

Front

Back

The solution set is {x | x < 5}.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.