Problem 1YT: 1. Determine whether the ordered pair is a solution of .
Problem 2YT: Show that the pairs (2,-3)and(0,-5)aresolutionsofx-y=5. Then graph the two points to find another... Problem 3YT: Graph: y=2x+3 Problem 4YT: Graph: y3x1. Problem 5YT: Graph: 2x+3y=6. Problem 6YT: 6. Graph by first solving for y.
Problem 7YT: Graph x+2y=-6 by first solving for y. Problem 8YT: Use the graph in Example 8 to estimate the annual cost of idling for 5 min per day for a 2.5-L... Problem 1ES: In each of Exercises 1 – 6, classify the statement as either true or false.
1. A linear equation in... Problem 2ES: In each of Exercises 1 - 6, classify the statement as either true or false.
2. Every solution of 7... Problem 3ES: In each of Exercises 1 - 6, classify the statement as either true or false.
3. The graph of ... Problem 4ES: In each of Exercises 1 - 6, classify the statement as either true or false.
4. If a point is on the... Problem 5ES Problem 6ES: In each of Exercises 1 - 6, classify the statement as either true or false. The graph of every... Problem 7ES: Determine whether each equation has the given ordered pair as a solution.
7.
Problem 8ES: Determine whether each equation has the given ordered pair as a solution.
8.
Problem 9ES: Determine whether each equation has the given ordered pair as a solution.
9.
Problem 10ES: Determine whether each equation has the given ordered pair as a solution. 5x3y=15;(0,5) Problem 11ES: Determine whether each equation has the given ordered pair as a solution.
11.
Problem 12ES: Determine whether each equation has the given ordered pair as a solution.
Problem 13ES: In each of Exercises 13 - 20, an equation and two ordered pairs are given. Show that each pair is a... Problem 14ES: In each of Exercises 13 - 20, an equation and two ordered pairs are given. Show that each pair is a... Problem 15ES: In each of Exercises 13 - 20, an equation and two ordered pairs are given. Show that each pair is a... Problem 16ES: In each of Exercises 13 - 20, an equation and two ordered pairs are given. Show that each pair is a... Problem 17ES: In each of Exercises 13 - 20, an equation and two ordered pairs are given. Show that each pair is a... Problem 18ES: In each of Exercises 13 - 20, an equation and two ordered pairs are given. Show that each pair is a... Problem 19ES: In each of Exercises 13-20, an equation and two ordered pairs are given. Show that each pair is a... Problem 20ES: In each of Exercises 13 - 20, an equation and two ordered pairs are given. Show that each pair is a... Problem 21ES: Graph each equation.
21.
Problem 22ES: Graph each equation. y=x1 Problem 23ES: Graph each equation. y=x Problem 24ES: Graph each equation. y=x Problem 25ES: Graph each equation. y=2x Problem 26ES: Graph each equation. y=3x Problem 27ES: Graph each equation.
27.
Problem 28ES: Graph each equation. y=3x2 Problem 29ES: Graph each equation.
29.
Problem 30ES: Graph each equation. y=14x Problem 31ES: Graph each equation.
31.
Problem 32ES: Graph each equation.
32.
Problem 33ES: Graph each equation.
33.
Problem 34ES: Graph each equation.
34.
Problem 35ES: Graph each equation. xy=2 Problem 36ES: Graph each equation. yx=3 Problem 37ES: Graph each equation.
37.
Problem 38ES: Graph each equation.
38.
Problem 39ES: Graph each equation. y=-23x+4 Problem 40ES: Graph each equation.
40.
Problem 41ES: Graph each equation. 4x=3y Problem 42ES: Graph each equation.
42.
Problem 43ES: Graph each equation. 5xy=0 Problem 44ES: Graph each equation.
44. 3x-5y=0
Problem 45ES: Graph each equation.
45.
Problem 46ES: Graph each equation. 8x4y=12 Problem 47ES: Graph each equation.
47.
Problem 48ES: Graph each equation. 8y+2x=4 Problem 49ES: 49 Student Aid. The average award a of federal student financial assistance per student is... Problem 50ES: 50 Value of a Color Copier. The value of Duplio-graphics color copier is given by v=0.68t+3.4, where... Problem 51ES: 51 Fuel Efficiency. A typical tractor-trailer will move 18 tons of air per mile at 55 mph. Air... Problem 52ES: 52 Increasing Life Expectancy. A smoker is 15 times more likely to die of lung cancer than a... Problem 53ES: 53 Photobook Pricing. The price p, in dollars, of an 8-in. by 8-in. hardcover photobook is given by... Problem 54ES: 54 Value of Computer Software. The value v of a shopkeeper’s inventory software program, in hundreds... Problem 55ES: Apps. In the first two years after the iPad was launched, the number of apps available for that... Problem 56ES Problem 57ES: Cost of College. The cost T, in hundreds of dollars, of tuition and fees at many community colleges... Problem 58ES: 58. Cost of College. The tuition cost C, in thousands of constant 2014 dollars, of a year at a... Problem 59ES: 59. The equations and are equivalent. Which equation would be easier to graph and why?
Problem 60ES: Suppose that a linear equation is graphed by plotting three points and that the three points line... Problem 61ES: Solve and check. [2.2] 5x+3(2x)=12 Problem 62ES: Solve and check. [2.2]
62.
Problem 63ES: Solve. [2.3]
63.
Problem 64ES: Solve. [2.3] qp+p=w,forp Problem 65ES: Solve. [2.3]
65.
Problem 66ES: Solve. [2.3]
66.
Problem 67ES: 67. Janice consistently makes the mistake of plotting the x-coordinate of an ordered pair using the... Problem 68ES: 68. Explain how the graph in Example 8 can be used to determine the engine size for which the annual... Problem 69ES: Bicycling. Long Beach Island in New Jersey is a long, narrow, flat island. For exercise, Laura... Problem 70ES: In each of Exercises 70–73, find an equation for the graph shown.
70.
Problem 71ES: In each of Exercises 70 73, find an equation for the graph shown. Problem 72ES: In each of Exercises 70 73, find an equation for the graph shown. Problem 73ES: In each of Exercises 70–73, find an equation for the graph shown.
73.
Problem 74ES: Translate to an equation: ddimesandnnickelstotal1.75. Then graph the equation and use the graph to... Problem 75ES: Translate to an equation: d25dinnersandl5lunchestotal225. Then graph the equation and use the graph... Problem 76ES: Use the suggested x-values —3, — 2, — 1, 0, 1, 2, and 3 to graph each equation.
76.
Problem 77ES: Use the suggested x-values 3, 2, 1, 0, 1, 2, and 3 to graph each equation. Aha y=x Problem 78ES: Use the suggested x-values 3, 2, 1, 0, 1, 2, and 3 to graph each equation. Aha!y=x2 Problem 79ES: Use the suggested x-values –3, – 2, – 1, 0, 1, 2, and 3 to graph each equation.
79.
Problem 80ES: Use the suggested x-values 3, 2, 1, 0, 1, 2, and 3 to graph each equation. y=x2+1 Problem 81ES: For each of Exercises 81–86, use a graphing calculator to graph the equation. Use a
... Problem 82ES: For each of Exercises 81–86, use a graphing calculator to graph the equation. Use a
... Problem 83ES: For each of Exercises 81–86, use a graphing calculator to graph the equation. Use a
... Problem 84ES: For each of Exercises 81–86, use a graphing calculator to graph the equation. Use a
... Problem 85ES: For each of Exercises 81 86, use a graphing calculator to graph the equation. Use a [10,10,10,10]... Problem 86ES: For each of Exercises 81 86, use a graphing calculator to graph the equation. Use a [10,10,10,10]... Problem 87ES: 87. Study each graph in Exercises 74 and 75. Does every point on the graph represent a solution of... Problem 88ES: Research. Find the size of the engine in your car or a friends car. (See Example 8.) a. Use the... Problem 1QQ: 1. Plot the points and [3.1]
Problem 2QQ: In which quadrant or on which axis is (5,9) located? [3.1] Problem 3QQ: 3. Determine whether the ordered pair is a solution of. [3.2]
Problem 4QQ: Graph each equation. [3.2] y=3x Problem 5QQ: Graph each equation. [3.2] 4xy=1 Problem 1PTMO: Solve and check. [2.2] 5x+30=12 Problem 2PTMO: Solve and check. [2.2] 308y=6 Problem 3PTMO: Solve and check. [2.2]
3.
Problem 4PTMO: Solve and check. [2.2] 6x+81=1 format_list_bulleted
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