Concept explainers
(a)
To calculate: To graph the equation
(a)
Answer to Problem 24PPS
Graph of equation is plotted.
Explanation of Solution
Given information: To replace a set of brakes, an auto mechanic charges
Formula Used:
Slope intercept form of line is
Calculation:
Equation is given as
Comparing the above equation to slope intercept form of line
Thus, y-intercept is at
Also,
Thus, other point is
On plotting the graph,
(b)
To calculate: To state slope and y-intercept of the graph of the equation and describe what they represent
(b)
Answer to Problem 24PPS
Slope is
Explanation of Solution
Given information: To replace a set of brakes, an auto mechanic charges
Formula Used:
Slope intercept form of line is
Calculation:
Equation is given as
Comparing the above equation to slope intercept form of line
Slope represents the cost of each hour.
Y-intercept represents the initial cost at hour
Chapter 8 Solutions
Pre-Algebra, Student Edition
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