Linear Equation Worksheet With Answers Page 3
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83. Biologists have found that the number of chirps some crickets make per minute is related to
temperature. The relationship if very close to being linear. When crickets chirp 124 times a minute, it is
about 68 degrees Fahrenheit. When they chirp 172 times a minute, it is about 80 degrees Farenheit.
Identify the variables in this situation: x= _________________ y= __________________
What is the given information in this problem (find all that apply)?
y-intercept ________ slope _____
a. Find an equation for the line that models this situation.
b. How warm is it when the crickets are chirping 150 times a minute?
MORE WORD PROBLEM PRACTICE:
1. Nick is given $50 to spend on a vacation . He decides to spend $5 a day. The amount Nick has left
and the number of days are related.
Identify the variables in this situation: x= _________________ y= __________________
What is the given information in this problem (find all that apply)?
y-intercept ________ slope _____
a. Write an equation relating x and y.
b. Use your equation to find out when Nick will have $15 left.
2. Julio plans a diet to gain 0.2 kg a day. After 14 days he weighs 40 kg. The number days he diets and
his weight are related.
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