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7-1
TAX TABLES, WORKSHEETS,
AND SCHEDULES

OBJECTIVES
Express tax schedules algebraically.
Compute federal income taxes using a
tax table and tax schedules.

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Financial Algebra
© Cengage/South-Western


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Key Terms
 property tax
 sales tax
 income tax
 taxable income
 tax
 Internal Revenue Service
(IRS)

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 single
 married filing jointly
 qualifying widow(er)
 married filing separately
 head of household

Financial Algebra
© Cengage Learning/South-Western


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Example 1
Ron is single. He is using an IRS tax form and calculates
that his taxable income is $51,482. The instructions tell him
to use the tax table to determine his taxes. How much does
Ron owe in taxes?

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Financial Algebra
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CHECK YOUR UNDERSTANDING
If r represents Ron’s taxable income, express his tax interval
as an inequality using both interval notation and compound
inequality notation.

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Example 2
Maria and Don are married taxpayers filing a joint return. Their
combined taxable income is $153,900. The IRS offers a tax
schedule so that taxpayers can calculate their tax. Use the tax
schedule below for married taxpayers filing jointly to calculate
Maria and Don’s tax.

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CHECK YOUR UNDERSTANDING
Using the table, what taxable income would yield a tax of
exactly $8,962.50?

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Financial Algebra
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Example 3
The IRS includes the tax schedule for information purposes
only. For taxable incomes over $100,000, taxpayers must
use the tax worksheet. Here is a portion of the worksheet for
married taxpayers filing jointly. Calculate Maria and Don’s
tax using this worksheet.

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Financial Algebra
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CHECK YOUR UNDERSTANDING
Davida and John have a taxable income of $118,675. Use the
Married Filling Jointly worksheet to determine the amounts for
columns (a) and (c). What is their calculated tax?

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EXTEND YOUR UNDERSTANDING
Chase has a taxable income of x dollars. This amount is
over $100,000, but not over $131,450. Express his tax
algebraically.

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Financial Algebra
© Cengage Learning/South-Western