Chapter 3: Q19. (page 179)
Find the slope of the line that passes through each pair of points.
Short Answer
The fraction represents the required slope.
Chapter 3: Q19. (page 179)
Find the slope of the line that passes through each pair of points.
The fraction represents the required slope.
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Get started for freeSuppose yvaries directly as x. Write a direct variation equation that relates x and y. Then solve.
Suppose you earn $127 for working 20 hours.
a. Write a direct variation equation relating your earning to the number of hours worked.
b. How much would you earn for working 35 hours?
Compare and contrast the graphs of with the domain and with the domain of all real numbers.
The table shows the cost of picking your own strawberries at a farm.
Number of Pounds | 1 | 2 | 3 | 4 |
Total Cost ($) | 1.25 | 2.50 | 3.75 | 5.00 |
a. Graph the data.
b. Write an equation in function notation to describe this relationship.
c. How much would it cost to pick 6 pounds of strawberries?
In this problem, you will explore - and - intercepts of graphs of linear equations.
a. If possible, use a straightedge to draw a line on a coordinate plane with each of the following characteristics.
b. For which characteristics were you able to create a line and for which characteristics were you unable to create a line? Explain.
c. What must be true of the - and - intercepts of a line?
Determine whether each equation is a linear equation. Write yes or no. If yes, write the equation in standard form.
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