CPM 9.1

The _____________ of a number is the distance of the number from zero. Since the _____________ represents a distance without regard to direction, it is always a positive real number.

• Absolute Value

• Inequality

• Variable

• Number Line

The endpoint of a ray or segment on a number line where an inequality is true. For strict inequalities (that is, inequalities involving < or >), the point is not part of the solution.

• Boundary Point

• Number Line

• Inequality

• Absolute Value

A(n) __________ consists of two expressions on either side of an __________ symbol. For example, the __________ 7x + 4.2 < −8 states that the expression 7x + 4.2 has a value less than -8.

• Equation

• Inequality

• Absolute Value

• Variable

A mathematical sentence in which two expressions appear on either side of an “equals” sign (=), stating that the two expressions are equivalent.

• Equation

• Inequality

• Number Line

• Variable

A diagram representing all real numbers as points on a line. All real numbers are assigned to points. The numbers are called the coordinates of the points and the point for which the number 0 is assigned is called the origin.

• Inequality

• Absolute Value

• Boundary Point

• Number Line

A symbol used to represent one or more numbers.

• Inequality

• Variable

• Equation

• Absolute Value

One expression is _______ ____ another if its value is larger. We indicate this relationship with the _______ ____ symbol “>”.

• Great than

• Less than

• Equal to

• Absolute Value

One expression is ____ ____ another if its value is not as large. We indicate this relationship with the ____ ____ symbol “<”.

• Great than

• Less than

• Equal to

• Absolute Value