Chapter 1

Introductory Algebra for College Students · 884 exercises

Problem 7

Use the commutative property of addition to write an equivalent algebraic expression. $$y+4$$

3 step solution

Problem 7

perform the indicated multiplication. $$(-19)(-1)$$

2 step solution

Problem 7

Write a positive or negative integer that describes each situation. Economics: A budget deficit of 4 billion dollars

3 step solution

Problem 7

Find each sum using a number line. $$3+(-3)$$

3 step solution

Problem 7

Evaluate each expression for \(x=4\). $$\frac{28}{x}$$

2 step solution

Problem 7

Convert each improper fraction to a mixed number. $$\frac{23}{5}$$

3 step solution

Problem 8

Perform the indicated subtraction. $$2-15$$

3 step solution

Problem 8

In Exercises \(1-14\), evaluate each exponential expression. $$(-10)^{3}$$

3 step solution

Problem 8

Use the commutative property of addition to write an equivalent algebraic expression. $$x+7$$

2 step solution

Problem 8

perform the indicated multiplication. $$(-11)(-1)$$

3 step solution

Problem 8

Write a positive or negative integer that describes each situation. Football: A 14-yard loss

2 step solution

Problem 8

Find each sum using a number line. $$5+(-5)$$

4 step solution

Problem 8

Evaluate each expression for \(x=4\). $$\frac{36}{x}$$

2 step solution

Problem 8

Convert each improper fraction to a mixed number. $$\frac{47}{8}$$

2 step solution

Problem 9

Perform the indicated subtraction. $$3-(-20)$$

2 step solution

Problem 9

In Exercises \(1-14\), evaluate each exponential expression. $$(-5)^{4}$$

3 step solution

Problem 9

Start by drawing a number line that shows integers from \(-5\) to \(5 .\) Then graph each real number on your number line. $$2$$

3 step solution

Problem 9

perform the indicated multiplication. $$(-11)(-1)$$

3 step solution

Problem 9

Use the commutative property of addition to write an equivalent algebraic expression. $$5+3 x$$

2 step solution

Problem 9

Find each sum without the use of a number line. $$-7+0$$

3 step solution

Problem 9

Evaluate each expression for \(x=4\). $$5+3 x$$

3 step solution

Problem 9

Convert each improper fraction to a mixed number. $$\frac{76}{9}$$

3 step solution

Problem 10

Perform the indicated subtraction. $$5-(-17)$$

3 step solution

Problem 10

In Exercises \(1-14\), evaluate each exponential expression. $$(-1)^{6}$$

3 step solution

Problem 10

perform the indicated multiplication. $$0(-11)$$

6 step solution

Problem 10

Start by drawing a number line that shows integers from \(-5\) to \(5 .\) Then graph each real number on your number line. $$5$$

3 step solution

Problem 10

Use the commutative property of addition to write an equivalent algebraic expression. $$4+9 x$$

2 step solution

Problem 10

Find each sum without the use of a number line. $$-5+0$$

3 step solution

Problem 10

Evaluate each expression for \(x=4\). $$3+5 x$$

3 step solution

Problem 10

Convert each improper fraction to a mixed number. $$\frac{59}{9}$$

2 step solution

Problem 11

Perform the indicated subtraction. $$-7-(-18)$$

3 step solution

Problem 11

In Exercises \(1-14\), evaluate each exponential expression. $$-5^{4}$$

3 step solution

Problem 11

perform the indicated multiplication. $$\frac{1}{2}(-24)$$

4 step solution

Problem 11

Start by drawing a number line that shows integers from \(-5\) to \(5 .\) Then graph each real number on your number line. $$-5$$

2 step solution

Problem 11

Use the commutative property of addition to write an equivalent algebraic expression. $$4 x+5 y$$

2 step solution

Problem 11

Find each sum without the use of a number line. $$30+(-30)$$

2 step solution

Problem 11

Evaluate each expression for \(x=4\). $$2(x+5)$$

3 step solution

Problem 11

Convert each improper fraction to a mixed number. $$\frac{711}{20}$$

3 step solution

Problem 12

Perform the indicated subtraction. $$-5-(-19)$$

2 step solution

Problem 12

perform the indicated multiplication. $$\frac{1}{3}(-21)$$

3 step solution

Problem 12

In Exercises \(1-14\), evaluate each exponential expression. $$-1^{6}$$

3 step solution

Problem 12

Start by drawing a number line that shows integers from \(-5\) to \(5 .\) Then graph each real number on your number line. $$-2$$

3 step solution

Problem 12

Use the commutative property of addition to write an equivalent algebraic expression. $$10 x+9 y$$

2 step solution

Problem 12

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

3 step solution

Problem 12

Evaluate each expression for \(x=4\). $$5(x+3)$$

3 step solution

Problem 12

Convert each improper fraction to a mixed number. $$\frac{788}{25}$$

3 step solution

Problem 13

Perform the indicated subtraction. $$-13-(-2)$$

3 step solution

Problem 13

perform the indicated multiplication. $$\left(-\frac{3}{4}\right)(-12)$$

3 step solution

Problem 13

In Exercises \(1-14\), evaluate each exponential expression. $$-10^{2}$$

3 step solution

Problem 13

Use the commutative property of addition to write an equivalent algebraic expression. $$5(x+3)$$

2 step solution

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