ALGEBRA 1 FIRST SEMESTER EXAM

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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.

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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.

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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.

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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.