Concept explainers
(a)
Tofind:The equation of line for the tuition T for c credit hours.
(a)
Answer to Problem 51PPS
The equation of the line is
Explanation of Solution
Given:
The average tuition cost per credit hour = $157
The fees cost per year = $218.
Calculation:
The standard form of slope and intercept form of the straight line is
Here m is the slope of the straight line and c is the y- intercept of the equation.
The fees cost per year is the intercept of the line on the y- axis while the average tuition cost per credit hour is the slope of the equation.
The total tuitionT for ccredit hours can be calculated from the equation.
The equation of the straight line in the slope and intercept form is
Therefore, the equation of the straight line is
(b)
Tofind:The cost for student taking 32 credit hours.
(b)
Answer to Problem 51PPS
The cost for student taking 32 credit hours is
Explanation of Solution
Given:
The average tuition cost per credit hour = $157
The fees cost per year = $218.
Calculation:
The standard form of slope and intercept form of the straight line is
Here m is the slope of the straight line and c is the y- intercept of the equation.
The fees cost per year is the intercept of the line on the y- axis while the average tuition cost per credit hour is the slope of the equation.
The total tuition T for c credit hours can be calculated from the equation.
The equation of the straight line in the slope and intercept form is
For the student taking 32 credits per hour, the tuition can be calculated by substituting 32 for t .
Therefore, the cost for student taking 32 credit hours is
Chapter 4 Solutions
Algebra 1
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