Problem 1AYP: Solve the equation: 3x+4=8x . (pp. A44-A46) Problem 2AYP: (a) Graph the line: 3x+4y=12 . (b) What is the slope of a line parallel to this line? (pp. 29-40) Problem 3CV: If a system of equations has no solution, it is said to be _______. Problem 4CV: If a system of equations has one solution, the system is _____and the equations are ______. Problem 5CV: If the solution to a system of two linear equations containing two unknowns is x=3,y=2 then the... Problem 6CV: If the lines that make up a system of two linear equations are coincident, then the system is... Problem 7CV: If a system of two linear equations in two variables is inconsistent, which of the following best... Problem 8CV: If a system of dependent equations containing three variables has the general solution { ( x,y,z ) |... Problem 9SB: { 2xy=5 5x+2y=8 x=2,y=1;( 2,1 ) Problem 10SB: { 3x+2y=2 x7y=30 x=2,y=4;( 2,4 ) Problem 11SB: { 3x4y=4 1 2 x3y= 1 2 x=2,y= 1 2 ;( 2, 1 2 ) Problem 12SB: { 2x+ 1 2 y=0 3x4y= 19 2 x= 1 2 ,y=2;( 1 2 ,2 ) Problem 13SB: { xy=3 1 2 x+y=3 x=4,y=1;( 4,1 ) Problem 14SB: { xy=3 3x+y=1 x=2,y=5;( 2,5 ) Problem 15SB: { 3x+3y+2z=4 xyz=0 2y3z=8 x=1,y=1;z=2;( 1,1,2 ) Problem 16SB: { 4xz=7 8x+5yz=0 xy+5z=6 x=2,y=3;z=1;( 2,3,1 ) Problem 17SB: { 3x+3y+2z=4 x3y+z=10 5x2y3z=8 x=2,y=2;z=2;( 2,2,2 ) Problem 18SB: { 4x5z=6 5yz=17 x6y+5z=24 x=4,y=3;z=2;( 4,3,2 ) Problem 19SB: { x+y=8 xy=4 Problem 20SB: { x+2y=7 x+y=3 Problem 21SB: { 5xy=21 2x+3y=12 Problem 22SB: { x+3y=5 2x3y=8 Problem 23SB: { 3x=24 x+2y=0 Problem 24SB: { 4x+5y=3 2y=8 Problem 25SB: { 3x6y=2 5x+4y=1 Problem 26SB: { 2x+4y= 2 3 3x5y=10 Problem 27SB: { 2x+y=1 4x+2y=3 Problem 28SB: { xy=5 3x+3y=2 Problem 29SB: { 2xy=0 4x+2y=12 Problem 30SB: { 3x+3y=1 4x+y= 8 3 Problem 31SB: { x+2y=4 2x+4y=8 Problem 32SB: { 3xy=7 9x3y=21 Problem 33SB: { 2x3y=1 10x+y=11 Problem 34SB: { 3x2y=0 5x+10y=4 Problem 35SB: { 2x+3y=6 xy= 1 2 Problem 36SB: { 1 2 x+y=2 x2y=8 Problem 37SB: { 1 2 x+ 1 3 y=3 1 4 x 2 3 y=1 Problem 38SB: { 1 3 x 3 2 y=5 3 4 x+ 1 3 y=11 Problem 39SB: { 3x5y=3 15x+5y=21 Problem 40SB: { 2xy=1 x+ 1 2 y= 3 2 Problem 41SB: { 1 x + 1 y =8 3 x 5 y =0 Problem 42SB: { 4 x 3 y =0 6 x + 3 2y =2 Problem 43SB: { xy=6 2x3z=16 2y+z=4 Problem 44SB: { 2x+y=4 2y+4z=0 3x2z=11 Problem 45SB: { x2y+3z=7 2x+y+z=4 3x+2y2z=10 Problem 46SB: { 2x+y3z=0 2x+2y+z=7 3x4y3z=7 Problem 47SB: { xyz=1 2x+3y+z=2 3x+2y=0 Problem 48SB: { 2x3yz=0 x+2y+z=5 3x4yz=1 Problem 49SB: { xyz=1 x+2y3z=4 3x2y7z=0 Problem 50SB: { 2x3yz=0 3x+2y+2z=2 x+5y+3z=2 Problem 51SB: { 2x2y+3z=6 4x3y+2z=0 2x+3y7z=1 Problem 52SB: { 3x2y+2z=6 7x3y+2z=1 2x3y+4z=0 Problem 53SB: { x+yz=6 3x2y+z=5 x+3y2z=14 Problem 54SB: { xy+z=4 2x3y+4z=15 5x+y2z=12 Problem 55SB: { x+2yz=3 2x4y+z=7 2x+2y3z=4 Problem 56SB: { x+4y3z=8 3xy+3z=12 x+y+6z=1 Problem 57AE: The perimeter of a rectangular floor is 90 feet. Find the dimensions of the floor if the length is... Problem 58AE: The length of fence required to enclose a rectangular field is 3000 meters. What are the dimensions... Problem 59AE: Orbital Launches In 2014 there was a total of 92 commercial and noncommercial orbital launches... Problem 60AE: Movie Theater Tickets A movie theater charges 9.00 for adults and 7.00 for senior citizens. On a day... Problem 61AE: Mixing Nuts A store sells cashews for 5.00 per pound and peanuts for 1.50 per pound. The manager... Problem 62AE: Mixing a Solution A chemist wants to make 14 liters of a 40 acid solution. She has solutions that... Problem 63AE: Presale Order A wireless store owner takes presale orders for a new smartphone and tablet. He gets... Problem 64AE: Financial Planning A recently retired couple needs 12,000 per year to supplement their Social... Problem 65AE: Computing Wind Speed With a tail wind, a small Piper aircraft can fly 600 miles in 3 hours. Against... Problem 66AE: Computing Wind Speed The average airspeed of a single engine aircraft is 150 miles per hour. If the... Problem 67AE: Restaurant Management A restaurant manager wants to purchase 200 sets of dishes. One design costs 25... Problem 68AE: Cost of Fast Food One group of people purchased 10 hot dogs and 5 soft drinks at a cost of 35.00 . A... Problem 69AE: Computing a Refund The grocery store we use does not mark prices on its goods. My wife went to this... Problem 70AE: Finding the Current of a Stream Pamela requires 3 hours to swim 15 miles downstream on the Illinois... Problem 71AE: Pharmacy A doctor’s prescription calls for a daily intake containing 40 milligrams (mg) of vitamin... Problem 72AE: Pharmacy A doctor’s prescription calls for the creation of pills that contain 12 units of vitamin... Problem 73AE: Curve Fitting Find real numbers a,b,andc so that the graph of the function y=a x 2 +bx+c contains... Problem 74AE Problem 75AE: IS-LM Model in Economics In economics, the IS curve is a linear equation that represents all... Problem 76AE: IS-LM Model in Economics In economics, the IS curve is a linear equation that represents all... Problem 77AE: Electricity: Kirchhoff’s Rules An application of Kirchhoff’s Rules to the circuit shown results... Problem 78AE: Electricity: Kirchhoff’s Rules An application of Kirchhoff s Rules to the circuit shown below... Problem 79AE: Theater Revenues A Broadway theater has 500 seats, divided into orchestra, main, and balcony... Problem 80AE: Theater Revenues A movie theater charges 11.00 for adults, 6.50 for children, and 9.00 for senior... Problem 81AE: Nutrition A dietitian wishes a patient to have a meal that has 66 grams (g) of protein, 94.5 g of... Problem 82AE: Investments Kelly has 20,000 to invest. As her financial planner, you recommend that she diversify... Problem 83AE: Prices of Fast Food One group of customers bought 8 deluxe hamburgers. 6 orders of large fries, and... Problem 84AE: Prices of Fast Food Use the information given in Problem 83. Suppose that a third group purchased 3... Problem 85AE: Painting a House Three painters (Beth, Bill, and Edie), working together, can paint the exterior of... Problem 86DW: Make up a system of three linear equations containing three variables that has: (a) No solution (b)... Problem 87DW: Write a brief paragraph outlining your strategy for solving a system of two linear equations... Problem 88DW: Do you prefer the method of substitution or the method of elimination for solving a system of two... Problem 89RYK: Graph f( x )= 3 1x +2 . Problem 90RYK: Find the complex zeros of f( x )= x 4 32 x 2 144 . Problem 91RYK: Find the exact value of sin 1 [ sin( 10 9 ) ] . Problem 92RYK: Write 3 +i in polar form. Express each argument in degrees. format_list_bulleted