Chapter 1

Introductory and Intermediate Algebra for College Students 4th · 888 exercises

Problem 33

In Exercises \(1-34,\) perform the indicated multiplication. $$(-8)(-4)(0)(-17)(-6)$$

2 step solution

Problem 33

Use a form of the distributive property to rewrite each algebraic expression without parentheses. $$5(x+y)$$

3 step solution

Problem 33

Find each sum without the use of a number line. $$-\frac{5}{8}+\frac{3}{4}$$

4 step solution

Problem 33

Perform the indicated subtraction. $$-\frac{4}{5}-\left(-\frac{1}{5}\right)$$

5 step solution

Problem 33

List all numbers from the given set that are: \(\mathbf{a}\). natural numbers, \(\mathbf{b}\). whole numbers, \(\mathbf{c}\). integers, \(\mathbf{d}\). rational numbers, \(\mathbf{e}\). irrational numbers, \(\mathbf{f}\), real numbers. $$\left\\{-9,-\frac{4}{5}, 0,0.25, \sqrt{3}, 9.2, \sqrt{100}\right\\}$$

6 step solution

Problem 33

Write each English phrase as an algebraic expression. Let the variable \(x\) represent the number. nine decreased by a number

3 step solution

Problem 33

Simplify each fraction by reducing it to its lowest terms. $$\frac{35}{50}$$

2 step solution

Problem 34

Use the order of operations to simplify each expression. $$8 \cdot 6 \div 2$$

3 step solution

Problem 34

In Exercises \(1-34,\) perform the indicated multiplication. $$(-9)(-12)(-18)(0)(-3)$$

3 step solution

Problem 34

Use a form of the distributive property to rewrite each algebraic expression without parentheses. $$7(x+y)$$

3 step solution

Problem 34

Find each sum without the use of a number line. $$-\frac{5}{6}+\frac{1}{3}$$

4 step solution

Problem 34

Perform the indicated subtraction. $$-\frac{4}{9}-\left(-\frac{1}{9}\right)$$

3 step solution

Problem 34

List all numbers from the given set that are: \(\mathbf{a}\). natural numbers, \(\mathbf{b}\). whole numbers, \(\mathbf{c}\). integers, \(\mathbf{d}\). rational numbers, \(\mathbf{e}\). irrational numbers, \(\mathbf{f}\), real numbers. $$\\{-7,-0 . \overline{6}, 0, \sqrt{49}, \sqrt{50}\\}$$

7 step solution

Problem 34

Write each English phrase as an algebraic expression. Let the variable \(x\) represent the number. three decreased by a number

2 step solution

Problem 34

Simplify each fraction by reducing it to its lowest terms. $$\frac{45}{50}$$

2 step solution

Problem 35

Use the order of operations to simplify each expression. $$14-2 \cdot 6+3$$

2 step solution

Problem 35

In Exercises \(35-42,\) find the multiplicative inverse of each number. $$4$$

2 step solution

Problem 35

Use a form of the distributive property to rewrite each algebraic expression without parentheses. $$3(x-2)$$

3 step solution

Problem 35

Find each sum without the use of a number line. $$-\frac{3}{7}+\left(-\frac{4}{5}\right)$$

3 step solution

Problem 35

Perform the indicated subtraction. $$\frac{1}{2}-\left(-\frac{1}{4}\right)$$

3 step solution

Problem 35

List all numbers from the given set that are: \(\mathbf{a}\). natural numbers, \(\mathbf{b}\). whole numbers, \(\mathbf{c}\). integers, \(\mathbf{d}\). rational numbers, \(\mathbf{e}\). irrational numbers, \(\mathbf{f}\), real numbers. $$\left\\{-11,-\frac{5}{6}, 0,0.75, \sqrt{5}, \pi, \sqrt{64}\right\\}$$

3 step solution

Problem 35

Write each English phrase as an algebraic expression. Let the variable \(x\) represent the number. three times a number, decreased by 5

4 step solution

Problem 36

Use the order of operations to simplify each expression. $$36-12 \div 4+2$$

3 step solution

Problem 36

In Exercises \(35-42,\) find the multiplicative inverse of each number. $$3$$

2 step solution

Problem 36

Use a form of the distributive property to rewrite each algebraic expression without parentheses. $$4(x-5)$$

3 step solution

Problem 36

Find each sum without the use of a number line. $$-\frac{3}{8}+\left(-\frac{2}{3}\right)$$

3 step solution

Problem 36

Perform the indicated subtraction. $$\frac{2}{5}-\left(-\frac{1}{10}\right)$$

4 step solution

Problem 36

List all numbers from the given set that are: \(\mathbf{a}\). natural numbers, \(\mathbf{b}\). whole numbers, \(\mathbf{c}\). integers, \(\mathbf{d}\). rational numbers, \(\mathbf{e}\). irrational numbers, \(\mathbf{f}\), real numbers. $$\\{-5,-0 . \overline{3}, 0, \sqrt{2}, \sqrt{4}\\}$$

6 step solution

Problem 36

Write each English phrase as an algebraic expression. Let the variable \(x\) represent the number. five times a number, decreased by 3

3 step solution

Problem 37

Use the order of operations to simplify each expression. $$8^{2}-16 \div 2^{2} \cdot 4-3$$

3 step solution

Problem 37

In Exercises \(35-42,\) find the multiplicative inverse of each number. $$\frac{1}{5}$$

2 step solution

Problem 37

Use a form of the distributive property to rewrite each algebraic expression without parentheses. $$2(4 x-5)$$

3 step solution

Problem 37

Find each sum without the use of a number line. $$4+(-7)+(-5)$$

3 step solution

Problem 37

Perform the indicated subtraction. $$\frac{1}{2}-\frac{1}{4}$$

3 step solution

Problem 37

Write each English phrase as an algebraic expression. Let the variable \(x\) represent the number. one less than the product of 12 and a number

3 step solution

Problem 37

Simplify each fraction by reducing it to its lowest terms. $$\frac{44}{50}$$

3 step solution

Problem 38

Use the order of operations to simplify each expression. $$10^{2}-100 \div 5^{2} \cdot 2-1$$

3 step solution

Problem 38

In Exercises \(35-42,\) find the multiplicative inverse of each number. $$\frac{1}{7}$$

3 step solution

Problem 38

Use a form of the distributive property to rewrite each algebraic expression without parentheses. $$6(3 x-2)$$

2 step solution

Problem 38

Find each sum without the use of a number line. $$10+(-3)+(-8)$$

4 step solution

Problem 38

Perform the indicated subtraction. $$\frac{2}{5}-\frac{1}{10}$$

3 step solution

Problem 38

Write each English phrase as an algebraic expression. Let the variable \(x\) represent the number. three less than the product of 13 and a number

3 step solution

Problem 38

Simplify each fraction by reducing it to its lowest terms. $$\frac{38}{50}$$

3 step solution

Problem 39

Use the order of operations to simplify each expression. $$3(-2)^{2}-4(-3)^{2}$$

3 step solution

Problem 39

In Exercises \(35-42,\) find the multiplicative inverse of each number. $$-10$$

3 step solution

Problem 39

Use a form of the distributive property to rewrite each algebraic expression without parentheses. $$\frac{1}{2}(5 x-12)$$

3 step solution

Problem 39

Find each sum without the use of a number line. $$85+(-15)+(-20)+12$$

5 step solution

Problem 39

Perform the indicated subtraction. $$9.8-2.2$$

3 step solution

Problem 39

Give an example of a rational number that is not an integer.

3 step solution

Problem 39

Write each English phrase as an algebraic expression. Let the variable \(x\) represent the number. the sum of 10 divided by a number and that number divided by 10

3 step solution

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