Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

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 Algebra: Graphs, graphing equations and inequalities Solvers Lessons Answers archive Quiz In Depth

 Question 56684: List the terms of the following expression. 2b2+7b=10 (the second two is to the second power) Click here to see answer by stanbon(57219)

 Question 56676: For the equation x-2sqrx=0 , perform the following: a) Solve for all values of x that satisfies the equation. Answer: Show work in this space. b) Graph the functions y = x and y=2sqrx on the same graph (by plotting points if necessary). Show the points of intersection of these two graphs. Graph: Points of intersection: Click here to see answer by funmath(2925)

 Question 56589: write an equation in slope-intercept form of a line with the given slope and y-intercept. then write the equation in standard form. m=-4,b=5 Click here to see answer by stanbon(57219)

 Question 56823: 20X-92=87 I realize that the answer is -0.25 but can some please break it down, if figured it but not sure how I did it. Help! Thanks Click here to see answer by checkley71(8403)

 Question 56889: Can someone help me on this problem? I need to write the equation of the line passing through the given pairs of points. I need to write the result in slope-intercept form, where possible. (3, -2) and (6, 4) Thanks, Sher Click here to see answer by Edwin McCravy(8879)

 Question 56896: Can someone help me on this problem? You have at least \$30 in change in your drawer, consisting of dimes and quarters. Write an inequality that shows the different number of coins in your drawer. Thanks, sher Click here to see answer by stanbon(57219)

 Question 56895: Can someone please help me with this problem? I have a graph where x-axis and the y-axis meet. I need to graph the following inequalities: 4x + y > 4 - (there is a line under the >) Thanks, Sher Click here to see answer by stanbon(57219)

 Question 56848: Put the following function: y=x^2-6x+8 in the form y=a(x-h)2=k Any advice on how to find this would be great! I tried to follow the instructions given by the book but it did not work out so well! It says to find the answer by completing the square. I tend to get lost in that process when you add the 8 to both sides. Click here to see answer by stanbon(57219)

 Question 56826: 3x2(3x to the second power) + 2x - 5 = 2. the equation is 3x to the 2nd power not 3x2. Please help me solve. Click here to see answer by Scriptor(36)

 Question 56871: Rewrite the equation 2x-8y=48 as a function of x. Click here to see answer by tutorcecilia(2152)

 Question 56954: hi, um my books says to: "find the slope of the line that passes through each pair of points. Then determine whether the line rises to the right, falls to the right, is horizontal, or is vertical." if you could please help me with my first problem that would be great! heres the cordinates: (-6,-5),(4,1) thank you!!!!!! Click here to see answer by checkley71(8403)

 Question 57008: ok, i have a lot of math that i don't understand at all. in class, i try to listen and understand it, but it's just too difficult for me. Please help! i have 6 problems altogether. Here's 3: 1) 5x+7=3x-5 2)7+3x=5x-5 3)2.5x-8=5x+12 THANK YOU SOO MUCH!! -brianne..idaho. 8th grade Click here to see answer by stanbon(57219)

 Question 56962: This is the first problem x+4>5 or x+4<-2 The next problem is Find three consecutive integers such that the sum of the first and third is -38 I am so thankful that I have found you. You are a blessing Click here to see answer by ankor@dixie-net.com(15624)

 Question 56998: Business and finance. In planning for a new item, a manufacturer assumes that the number of items produced x and the cost in dollars C of producing these items are related by a linear equation. Projections are that 100 items will cost \$10,000 to produce and that 300 items will cost \$22,000 to produce. Find the equation that relates C and x Thank you Click here to see answer by stanbon(57219)

 Question 57011: hi. i am very confused with this math.i try to understand, buts it WAY too confusing for me. please help. the three problems are from the book Thinking With Mathematical Models: Linear and inverse Variation. the three problems are 5x+7=3x+5 7+3x=5x-5 2.5x-8=5x+12 THAnkS soo much! its on page 38 numbers 26-28. and the only thing it says is: Solve each equation. Show the steps in your solutions. I'm really lost! -please help in idaho Click here to see answer by stanbon(57219)

 Question 56985: Using the quadratic equation y=-6x+8=0 a. solve by factoring b. solve by using the quadratic formula show work in both a and b Click here to see answer by funmath(2925)

 Question 57097: The graph of the rational function: f(x)= x+1/x^2-3x+2 has a horizontal asymptote with equation y=0. Is this true? Thank you. Click here to see answer by stanbon(57219)

 Question 57098: How can you show a graph that approaches negative infinty as x approaches 3 from the left? Thank you. Click here to see answer by funmath(2925)

 Question 57096: How do I graph the following rational function: f(x)= 1/x^2+4 Thank you for your help. Click here to see answer by funmath(2925)

 Question 57115: How do I graph y= -2.3 as its horizontal asymptote? Click here to see answer by stanbon(57219)

 Question 57114: I need to use synthetic division to factor 3x^3-16x^2-72 into (x-6) and blank? I have no clue on how to do this or what the answer is. Can anyone help? Click here to see answer by stanbon(57219)
 Question 57114: I need to use synthetic division to factor 3x^3-16x^2-72 into (x-6) and blank? I have no clue on how to do this or what the answer is. Can anyone help? Click here to see answer by funmath(2925)

 Question 57153: How do I grapgh the function that has the following properties: concave up, y-intercept is -6, zeros at x = -2 and x = 3? Click here to see answer by funmath(2925)

 Question 56990: Driving down a mountain, Tom finds that he has descended 1800 ft in elevation by the time he is 3.25 mi horizontally away from the top of the mountain. Find the slope of his descent to the nearest hundredth Click here to see answer by checkley71(8403)

 Question 57157: Graph the following inequality 3y-5x>or equal to 15 Click here to see answer by funmath(2925)

 Question 57222: Please can one of you guys help me with this problem? Graph the function y=x and y=2(square root of x) on the same graph. Show the points of intersection of these two graphs. Click here to see answer by Earlsdon(6287)
 Question 57222: Please can one of you guys help me with this problem? Graph the function y=x and y=2(square root of x) on the same graph. Show the points of intersection of these two graphs. Click here to see answer by funmath(2925)

 Question 57241: Can someone help me out on this problem? I need to determine which two equations represent parallel lines: (a) y= 6x -5 (b) y = 6x + 5 (c) y = 6x + 2 (d) y = -1/6 x -5 Thanks, Ashley Click here to see answer by funmath(2925)

 Question 57240: Can someone help me out on this? One day, the temperature at 8:00 A.M. was 47degrees F, and by 1:00 P.M. the temperature was 52 degrees F. What was the hourly rate of temperature change? Thanks so much, Ashley Click here to see answer by rcmcc(152)

 Question 57266: Can someone help me graph the following graph? f(x) = -2x + 2 I need to graph this on the computer and send to my teacher and don't know how to do it. I would appreciate it so much. Thanks, Lisa Click here to see answer by rchill(405)

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