Chapter 4: Q15. (page 271)
Graph each equation.
Short Answer
The graph of the equation is:
Chapter 4: Q15. (page 271)
Graph each equation.
The graph of the equation is:
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Get started for freeWrite each equation in slope-intercept form.
Write an equation of a line in slope-intercept form with the given slope and-intercept. Then graph the equation.
Slope:, -intercept:
The table shows the relationship between years of experience and teacher salary.
Years Experience | 1 | 5 | 10 | 15 | 20 |
Salary (thousands of dollars) | 28 | 31 | 42 | 49 | 64 |
a. Write an equation for the best-fit line.
b. Find the correlation coefficient and explain what it tells us about the relationship between experience and salary.
Write the given equation of line in slope-intercept form.
An electrician charges a \(25 consultation fee plus \)35 per hour for labour.
a. Copy and complete the following table showing the charges for jobs that take 1, 2, 3, 4, or 5 hours.
Hours, | Total cost, |
1 | |
2 | |
3 | |
4 | |
5 |
b. Write an equation in slope-intercept form for the total cost of a job that takeshours.
c. If the electrician bills in quarter hours, how much would it cost for a job that takes 3 hours 15 minutes to complete?
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