Chapter 1

Fill in the blanks. ______ means parts per one hundred.

Fill in the blanks. A \(\quad\) is an equation that states a mathematical relationship between two or more variables.

Fill in the blanks. An ____________ angle has a measure of more than \(0^{\circ}\) and less than \(90^{\circ} .\)

Fill in the blanks. The set of _____ numbers is \(\\{0,1,2,3,4,5, \ldots\\},\) the set of _____ numbers is \(\\{1,2,3,4,5, \ldots\\},\) and the set of ______ is \(\\{. . .,-2,-1,0,1,2, \ldots\\}\)

Fill in the blanks. A _____ is a product or quotient of numbers and/or variables, such as \(6 r,-t^{3},\) and \(\frac{44}{m}\).

Fill in the blanks. An _____ is a statement that two expressions are equal.

Fill in the blanks. When we add two numbers, the result is called the _____. When we subtract two numbers, the result is called the _____.

A _______ is a letter that stands for a number.

Fill in the blanks. In the statement, " 10 is \(20 \%\) of 50 ," 10 is the _____ and 50 is the _____.

Fill in the blanks. To find the \(\quad\) of a plane geometric figure, such as a rectangle or triangle, we calculate the distance around the figure. The \(\quad\) of a plane geometric figure is the amount of surface that it encloses.

Fill in the blanks. A ___________ angle is an angle whose measure is \(90^{\circ} .\)

Fill in the blanks. \(2 x+1=4\) is an example of a _____ equation in one variable.

Fill in the blanks. When we multiply two numbers, the result is called the _____. When we divide two numbers, the result is called the _____.

When all the members of one set are members of a second set, we say the first set is a _____ of the second set.

Fill in the blanks. The _____ of the term \(-8 c\) is \(-8\)

Variables and/or numbers can be combined with mathematical operations to create algebraic _______.

Fill in the blanks. When the regular price of an item is reduced, the amount of reduction is called the _____.

Fill in the blanks. The \(\quad\) of a three-dimensional geometric solid is the amount of space it encloses.

Fill in the blanks. The _____ of \(\frac{5}{9}\) is \(\frac{9}{5}\)

Fill in the blanks. A _______ number is a whole number greater than 1 that has only itself and 1 as factors. A _____ number is a whole number greater than 1 that is not prime.

Fill in the blanks. If the sum of the measures of two angles equals \(90^{\circ},\) the angles are called _________ angles.

Fill in the blanks. A number that makes an equation true when substituted for the variable is called a _____.

Fill in the blanks. A term, such as \(9,\) that consists of a single number is called a ______ term.

An __________ is a mathematical sentence that contains an \(=\) symbol.

Fill in the blanks. When an investment is made, the amount of money invested is called the _____ . The money an investment earns is called ____.

Fill in the blanks. To \(\quad\) a formula for a specified variable means to isolate that variable on one side of the equation, with all other variables and constants on the opposite side.

Fill in the blanks. In the exponential expression \(x^{2},\) the ______ is \(x\) and 2 is the _____.

Fill in the blanks. If the sum of the measures of two angles equals \(180^{\circ},\) the angles are called ___________ angles.

Fill in the blanks. A _____ number is any number that can be written as a fraction with an integer numerator and a nonzero integer denominator.

If two equations have the same solution set, they are called _____ equations.

One method to solve applied percent problems is to use the given facts to write a percent sentence. What is the basic form of a percent sentence?

Fill in the blanks. \(6^{2}\) can be read as "six _____ "and \(6^{3}\) can be read as "six _____."

CONCEPTS Determine which concept (perimeter, circumference, area, or volume) should be used to find each of the following situations. Then determine which unit of measurement, ft, \(\mathrm{ft}^{2},\) or \(\mathrm{ft}^{3}\), would be appropriate, a. The amount of ground covered by a lawn b. The amount of storage in a safe c. The distance traveled by a rider on a Ferris wheel d. The distance around a tennis court

Fill in the blanks. ______ numbers are nonterminating, nonrepeating decimals.

Fill in the blanks. The ______ properties of real numbers involve changing order and the ______ properties of real numbers involve changing grouping.

Fill in the blanks. If a triangle has a right angle, it is called a __________________ triangle.

Fill in the blanks. An equation that is made true by any permissible replacement value for the variable is called an _____.

Phrases such as increased by and more than are used to indicate the operation of ________ Phrases such as decreased by and less than are used to indicate the operation of

The area of a circle is exactly \(54 \pi \mathrm{ft}^{2}\). Approximate the area to the nearest tenth of a square foot.

Fill in the blanks. We read \(\sqrt{25}\) as the _____ _____ of 25.

Fill in the blanks. The set of rational numbers together with the set of irrational numbers form the set of ______ numbers.

Fill in the blanks. An equation that is false for all replacement values for the variable is called a _____.

Fill in the blanks. We can use the _____ property to remove parentheses in the expression \(2(x+8)\).

Fill in the blanks. If a triangle has two sides with equal measures, it is called an ____________ triangle.

Equations that express a mathematical relationship between two or more variables are called ________.

Fill in the blanks. In the expression \(9+6[22-(6-1)]\), the _____ are the innermost grouping symbols, and the brackets are the _____ grouping symbols.

Fill in the blanks. If \(a=b,\) then \(a+c=b+\square\) and \(a-c=b-\square.\) Adding (or subtracting) the same number to (or from) _____ sides of an equation does not change the solution.

Fill in the blanks. _______ terms are terms with exactly the same variables raised to exactly the same powers.

Fill in the blanks. \(>, \geq,<,\) and \(\leq\) are called ____ symbols.

Classify each of the following as an expression or an equation. a. \(6 x-5\) b. \(P=a+b+c\) c. \(\frac{s+9 t}{8}\) d. \(\quad \sqrt{2 w^{2}}\)