Writing Equations In Slope Intercept Form Worksheet With Answers Page 44
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504-2 Writing Equations in Slope-Intercept Form
The distance d in miles that the sound of thunder travels in t seconds is given by the equation d
= 0.21t.
Graph the equation.
Use the graph to estimate how long it will take you to hear thunder from a storm 3 miles away.
a. In the equation, the y-intercept is 0 and the slope is 0.21. To graph the equation, plot the y-intercept (0, 0). Make a
table of values to add a few more points.
b. Follow the line of the graph until y = 3. The x-coordinate is about 14. So, according to the graph, it will take you
about 14 seconds to hear thunder from a storm 3 miles away.
Solve each equation. Check your solution.
5t
2.2 = 2.9
Solve.
Check.
5.5a
43.9 = 77.1
Page 44
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