ISE Intermediate Algebra
6th Edition
ISBN: 9781264418756
Author: Miller, Julie, O'Neill, Molly, Hyde, Nancy
Publisher: McGraw Hill
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Students have asked these similar questions
Which of the following is an example of causation?
Hunger causes eating.
Raincoats cause rainstorms.
Grades cause level of income.
Temperatures of 212 degrees F cause water to boil.
Which is greater, an increase of 10° Fahrenheit or an increase of 10° Celsius? Justify your answer.
10° Celsius, because each degree Fahrenheit is equivalent to 1.8° Celsius.
10° Fahrenheit, because each degree Celsius is equivalent to 1.8⁰ Fahrenheit.
10° Celsius, because each degree Celsius is equivalent to 1.8° Fahrenheit.
10° Fahrenheit, because each degree Fahrenheit is equivalent to 1.8° Celsius.
In a recent survey, a magazine reported that the preferred room temperature in the summer is 68°F. A
wall thermostat, like the ones shown below, tells a room's temperature in degrees Fahrenheit
Sarah's Upstairs Bedroom
Downstairs Bedroom
72°F
64°F
a.
Which bedroom is warmer than the recommended room temperature?
b.
Which bedroom is cooler than the recommended room temperature?
c. Sarah notices that her room's temperature is 4°F above the recommended temperature, and
the downstairs bedroom's temperature is 4°F below the recommended temperature. She
graphs 72 and 64 on a vertical number line and determines they are opposites. Is Sarah
correct? Explain.
d. After determining the relationship between the temperatures, Sarah now decides to represent
72°F as 4 and 64°F as -4 and graphs them on a vertical number line. Graph 4 and -4 on the
vertical number line on the right. Explain what zero represents in this situation.
EUREKA
MATH
Lesson 4:
The Opposite of a Number
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