Expressions, Equations, and Functions

Identify the independent and dependent variables for the relation.

Name the ordered pair at point C and explain what it represents.

Name the ordered pair at point D and explain what it represents.

Identify the independent and dependent variables.

Express each relation as a set of ordered pairs. Describe the domain and range.

Express the relation in each table, mapping, or graph as a set of ordered pairs.

Express the relation in each table, mapping, or graph as a set of ordered pairs.

The graph, that, best represents a participant in a triathlon, under given conditions.

A grandfather clock that is over 100 years old has increased in value rapidly from when it was first purchased. What will be the nature of the slope?

Alana surveyed several students to find the number of hours of sleep they typically get each night. The results are shown in the table. Make a bar graph of the data.

The frequency table at the right shows the ages of people attending a high school play. Make a histogram to display the data.

Marcus started a lawn care service. The chart shows how much money he made over summer break. Make a line graph of the data.

Use each set of data to make a stem-and-leaf plot and a box-and-whisker plot. Describe how the outliers affect the quartile points.

{165,63,69,71,73,59,60,70,72,66,71,58}

Use each set of data to make a stem-and-leaf plot and a box-and-whisker plot. Describe how the outliers affect the quartile points.

{31,30,28,26,22,34,26,31,47,32,18,33,26,23,18}

The table shows how Ping spent his allowance of $40. Make a circle graph of the data.

The table shows the number of miles Hannah jogged each day for 10 days. Make a line graph of the data.

A house typically increases in value over time. What will be the nature of the graph?

Determine whether you need an estimate or an exact answer. Then use the four-step problem-solving plan to solve.

DISTANCE Fabio rode his scooter 2.3 miles to his friend's house, then 0.7 miles to the video store, then 2.1 miles to the library. If he rode the same route back home, how far did he travel in all?

Determine whether you need an estimate or an exact answer. Then use the four-step problem-solving plan to solve.

SHOPPING The regular price of a T-shirt is \(9.99. It is on sale for 15% off. Sales tax is 6% If you give the cashier a \)10 bill, how much change will you receive?

Find each sum or difference.

$-31+(-4)$

Find each sum or difference.

$48-55$

Find each sum or difference.

$-71-(-10)$

Find each sum or difference.

Find each sum or difference.

$-11.5+8.1$

Find each sum or difference.

$-0.38-(-1.06)$

Find each product or quotient.

$-21(-5)$

Find each product or quotient.

$-81÷(-3)$

Find each product or quotient.

$-120÷8$

Find each product or quotient.

$-39÷-3$

Replace each with <, > or = to make a true sentence.

$-0.62,-\frac{6}{7}$

Replace each with <, > or = to make a true sentence.

$\frac{12}{44}\cdot \frac{8}{11}$

Order $4\frac{4}{5},4.85,2\frac{5}{8},$ and from least to greatest.

Find each sum or difference. Write in simplest form.$\frac{1}{7}+\frac{5}{7}$

Find each sum or difference. Write in the simplest form.

$\frac{7}{8}-\frac{1}{8}$

Find each sum or difference. Write in the simplest form.

$\frac{1}{6}+\left(-\frac{1}{2}\right)$

Find each sum or difference. Write in the simplest form.

$-\frac{1}{12}-\left(-\frac{3}{4}\right)$

Find each product or quotient.

$-1.2\left(9.3\right)$

Find each product or quotient.

$-20.93÷(-2.3)$

Find each product or quotient.

$10.5÷(-1.2)$

Find each product or quotient.

$\left(-3.4\right)\left(-2.8\right)$

Name the reciprocal of each number.

6

Name the reciprocal of each number.

$1\frac{2}{5}$

Name the reciprocal of each number.

$-2\frac{3}{7}$

Name the reciprocal of each number.

$-\frac{1}{2}$

Name the reciprocal of each number.

$\frac{4}{3}$

Name the reciprocal of each number.

$5\frac{1}{3}$

Find each product or quotient. Write in the simplest form.

$\frac{2}{5}\cdot \frac{5}{9}$

Find each product or quotient. Write in the simplest form.

$\frac{4}{5}÷\frac{1}{5}$

Find each product or quotient. Write in simplest form.

$-\frac{7}{8}\cdot 2$

Find each product or quotient. Write in simplest form.

$\frac{1}{3}÷2\frac{1}{4}$