Problem 1YT: YOUR TURN Find the slope of the line through (1,5) and (4,6). Problem 2YT: YOUR TURN Find the equation of the line with x-intercept 4 and y-intercept 6. Problem 3YT Problem 4YT Problem 5YT Problem 6YT Problem 1E: Find the slope of each line. Through (4,5) and (1,2) Problem 2E Problem 3E: Find the slope of each line. Through (8,4) and (8,7) Problem 4E Problem 5E Problem 6E Problem 7E Problem 8E Problem 9E Problem 10E Problem 11E Problem 12E Problem 13E Problem 14E Problem 15E Problem 16E: In Exercises 15-24, find the equation in the slope-intercept form for each line. Through (2,4), m=1 Problem 17E: In Exercises 15-24, find the equation in the slope-intercept form for each line. Through (5,7), m=0 Problem 18E Problem 19E Problem 20E Problem 21E: In Exercises 15-24, find an equation in slope-intercept form for each line. Through (2/3,1/2) and... Problem 22E Problem 23E Problem 24E Problem 25E Problem 26E Problem 27E: In Exercises 25-34, find an equation for each line in the form ax+by=c, where a, b, and c are... Problem 28E: In Exercises 25-34, find an equation for each line in the form ax+by=c, where a, b, and c are... Problem 29E: In Exercises 25-34, find an equation for each line in the form ax+by=c, where a, b, and c are... Problem 30E: In Exercises 25-34, find an equation for each line in the form ax+by=c, where a, b, and c are... Problem 31E: In Exercises 25-34, find an equation for each line in the form ax+by=c, where a, b, and c are... Problem 32E: In Exercises 25-34, find an equation for each line in the form ax+by=c, where a, b, and c are... Problem 33E: In Exercises 25-34, find an equation for each line in the form ax+by=c, where a, b, and c are... Problem 34E: In Exercises 25-34, find an equation for each line in the form ax+by=c, where a, b, and c are... Problem 35E: Do the points (4,3), (2,0), and (18,12) lie on the same line? Explain why or why not. Hint: Find the... Problem 36E: Find k so that the line through (4,1) and (k,2) is a. parallel to 2x+3y=6, b. perpendicular to... Problem 37E: Use slopes to show that the quadrilateral with vertices at (1,3), (5/2,2), (7/2,4), and (2,1) is a... Problem 38E: Use slopes to show that the square with vertices at (2,5), (4,5), (4,1), and (2,1) has diagonals... Problem 39E Problem 40E Problem 41E Problem 42E: In Exercises 41 and 42, estimate the slope of the lines. Problem 43E Problem 44E Problem 45E Problem 46E Problem 47E: Graph each equation. y=4x+9 Problem 48E: Graph each equation. y=6x+12 Problem 49E: Graph each equation. 2x3y=12 Problem 50E: Graph each equation. 3xy=9 Problem 51E: Graph each equation. 3y7x=21 Problem 52E Problem 53E: Graph each equation. y=2 Problem 54E Problem 55E Problem 56E Problem 57E Problem 58E Problem 59E Problem 60E Problem 61E Problem 62E Problem 63E Problem 64E Problem 65E: For Exercises 6170, let f(x)=75xand g(x)=2x3. Find the following. g(1.5) Problem 66E Problem 67E Problem 68E Problem 69E Problem 70E Problem 71E: LIFE SCIENCE APPLICATIONS Exercise Heart Rate To achieve the maximum benefit for the heart when... Problem 72E: LIFE SCIENCE APPLICATIONS HIV Infection The time interval between a persons initial infection with... Problem 73E: Life Expectancy Some scientists believe that there is a limit to how long humans can live. One... Problem 74E Problem 75E Problem 76E Problem 77E Problem 78E Problem 79E: Global Warming In 1990, the Intergovernmental Panel on Climate Change predicted that the average... Problem 80E: Body Temperature You may have heard that the average temperature of the human body is 98.6. Recent... Problem 81E: LIFE SCIENCE APPLICATIONS Cost Analysis Suppose a simple thermometer costs 10, but the cost to... Problem 82E: LIFE SCIENCE APPLICATIONS Cost Analysis Acme Products sells a machine for doing a certain type of... Problem 83E: OTHER APPLICATIONS Marriage The following table lists the U.S. median age at first marriage for men... Problem 84E: OTHER APPLICATIONS Immigration In 1950, there were 249,187 immigrants admitted to the United States.... Problem 85E: OTHER APPLICATIONS Child Mortality Rate The mortality rate for children under 5 years of age around... Problem 86E Problem 87E format_list_bulleted