# 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 155784: Graph the follwing functions: e) y= |-5x| and y= 5|x| Click here to see answer by jim_thompson5910(28593)

 Question 155796: Graph a line with a y-intersept 4 and slope of 2. Click here to see answer by checkley77(12569)

 Question 155795: Graph a line that goes through the point (4,3) and has a slope of 2. Click here to see answer by checkley77(12569)

 Question 155810: I dont understand how to graph this equation in the y=mx+b format. Click here to see answer by jim_thompson5910(28593)

 Question 156045: Graph using the slope and the y intercept x+5y=15 Click here to see answer by jim_thompson5910(28593)

 Question 156054: For what value of E does the point (1, 2, -1) sit on the curved surface governed by S(x, y) = x^2 - 3y^2 + 4x - Ey + 6? a. -1 b. 0 c. 1 d. 3½ Click here to see answer by oscargut(891)

 Question 156131: My probem 8.4x10^5 / 2.1x10^-4 Working this out I can do. 4x10^5-(-4) 4x10^9 power, My Question is where did the - come from after the ^5- As you work this problem out I would like to know where the - come from after the 5----------thank you. Click here to see answer by Fombitz(13828)

 Question 156122: Toni can be paid in one of two ways: Plan A: A salary of \$400 per month plus a commission of 8% of gross sales; Plan B: A salary of \$610 per month, plus a commicion of 5% of gross sales. For what amount of gross sales should Toni select plan A? Click here to see answer by kdr(11)

 Question 156020: Please help me solve this i have no idea what to do: determine the unknown coordinate so that the line containing the points has the given slope: (-3,y) and (2,-2) m= -1 Click here to see answer by Alan3354(30993)

 Question 156278: 1. Give an example of an exponential function. Convert this exponential function to a logarithmic function. Plot the graph of both the functions and post to the discussion forum. Discuss these functions and their graphs with your classmates Click here to see answer by jim_thompson5910(28593)

 Question 156280: 2. Form each of the following: • A linear equation in one variable • A linear equation in two variables • A quadratic equation • A polynomial of three terms • An exponential function • A logarithmic function Click here to see answer by jim_thompson5910(28593)

 Question 156282: 3. Plot the graph of the above equations formed in question 2, and post your response to the discussion forum. Click here to see answer by jim_thompson5910(28593)

 Question 156293: Evaluate the functions for the values of x given as 1, 2, 4, 8, and 16. Describe the differences in the rate at which each function changes with increasing values of x. 1. f(x) = 5x - 3 Click here to see answer by jim_thompson5910(28593)

 Question 156294: Evaluate the functions for the values of x given as 1, 2, 4, 8, and 16. Describe the differences in the rate at which each function changes with increasing values of x. 2. f(x) = x2 - 3x + 2 Click here to see answer by jim_thompson5910(28593)

 Question 156295: Evaluate the functions for the values of x given as 1, 2, 4, 8, and 16. Describe the differences in the rate at which each function changes with increasing values of x. 3. f(x) = 2x3 + 7x2 - x - 1 Click here to see answer by jim_thompson5910(28593)

 Question 156297: Evaluate the functions for the values of x given as 1, 2, 4, 8, and 16. Describe the differences in the rate at which each function changes with increasing values of x. 4. f(x) = 10^x Click here to see answer by jim_thompson5910(28593)

 Question 156298: Evaluate the functions for the values of x given as 1, 2, 4, 8, and 16. Describe the differences in the rate at which each function changes with increasing values of x. 5. f(x) = ln x Click here to see answer by jim_thompson5910(28593)

 Question 156371: factor the following expressions completely , , solve the equation for x Click here to see answer by Alan3354(30993)

 Question 156582: 2. The coordinate graph of the backyard shows the location of trees, plants, the patio, and utility lines. (If necessary, you may copy and paste the image to another document and enlarge it.) a) What are the coordinates of Tree A? Plant B? Plant C? Patio D? Plant E? Plant F? b) The water line is given by the equation . Suppose you want to put a pink flamingo lawn ornament in your backyard, but you want to avoid placing it directly over the water line, in case you need to excavate the line for repairs in the future. Could you place it at the point (-4,-10)? c) What is the slope and y-intercept of the line in part b? How do you know? d) Suppose you want to add a sprinkler system, and the location of one section of the sprinkler line can be described by the equation . Complete the table for this equation. x y (x,y) -1 -2 -4 2 8 e) What objects might be in the way as you lay the pipe for the sprinkler? Click here to see answer by solver91311(16877)

 Question 156683: For the exponential function e^x and logarithmic function log x, graphically show the effect if x is doubled. Click here to see answer by jim_thompson5910(28593)

 Question 156688: I am not sure if I know what I am doing, I am taking an online algebra class. I am required to solve the following linear equations and graph result. This is how thought it should be solved: y=5x-2, 2+y=5x-2+2, 2+y/5=5x/5, 2+y=x My other problem is how do I graph answer? I did not include textbook information; our work is given my online professor. Click here to see answer by jim_thompson5910(28593)

 Question 156700: Need to solve equation 3x-1=5x-y and graph results. This is my attempt: 3x-1-5x = 5x-y-5x -2x-1 = -y, do I do anything else or is this the answer? Click here to see answer by jim_thompson5910(28593)

 Question 156713: Equation to be solved is y=|x|+3 and graph results. I understand that the absolute value of |x| is x; therefore the equation would be translated to y = x + 3. My question is is this as far as I go with the simiplyfing of this equation or is it more work to be done; and how do I graph. Click here to see answer by jim_thompson5910(28593)

 Question 156722: Hi, its me again! I would greatly appreciate if someone could help me graph the following equation. Thanks! x+2=2x-1, 1+x+2=2x-1+1, -x+x+3=2x-x, 3=x Click here to see answer by jim_thompson5910(28593)

 Question 156855: how do i graph the circle, x^2 + 4y^2 =1 Click here to see answer by Alan3354(30993)
 Question 156855: how do i graph the circle, x^2 + 4y^2 =1 Click here to see answer by Earlsdon(6287)

 Question 156911: Mr.O'Leary is 4 times as old as his son. In 16 years he will be only twice as old. What are theri ages. (Hint: If the son is x years old now, how old will he be in another 16 years?) Click here to see answer by checkley77(12569)

 Question 157104: the problem says to graph these two equations on the same graph & then find where they intercept. There are more questions to the problem, but I think I can figure them out if I first get the graph correct. Equations: 1) y=5x 2) y=3x + 100 Click here to see answer by Fombitz(13828)
 Question 157104: the problem says to graph these two equations on the same graph & then find where they intercept. There are more questions to the problem, but I think I can figure them out if I first get the graph correct. Equations: 1) y=5x 2) y=3x + 100 Click here to see answer by Electrified_Levi(103)

 Question 157253: i need help with solving a problem -7/8 (this is a fraction) -7 x < 21 8 _ the problem states solve the inequality . write the solution in interval notation. NOTE The < has a line under it there was no way to put it in on the computer solve the formula for the given variable 2)v=1/3 (pie symbol) r to the 2 h for h Click here to see answer by jim_thompson5910(28593)

 Question 157266: I need help please my teacher isn't very helpful, i really need help Solve the inequality. Write the solution set in interval notation 1) -2/7 more than or equal to 2y/7 - 7/4 2) 7x + 16 is less than or equal to 8 Click here to see answer by nerdybill(6958)

 Question 157270: hi I need help please.... finding the area of the window of the camper shell please Area=Length *Width 59 inch------------ across 14 inches down 2) solve the formula for the given variable d= rt for t Click here to see answer by midwood_trail(310)

 Question 157235: Calculate the value of the discriminant of x^2+4x+4=0 ,By examining the sign of the discriminant in part a, how many x-intercepts would the graph of y=x^2+4x=4 have? Why? Click here to see answer by nabla(475)

 Question 157276: Please help someone I need help really bad, i have been trying to fiqure this out for days and it is due tommorow night,, thanks... SOLVE THE INEQUALITY.. WRITE THE SOLUTION SET IN INTERVAL NOTATION.. -2/7is greater than or equal to 2y/7 - 7/4... 2) 7x + 16 is less than or equal to 8 Click here to see answer by Alan3354(30993)

 Question 157275: Hi i am trying to get help with finding the interval notation. solve the inequality. write the solution set in interval notation.. -2/7 id greater than or equal to 2y/7 - 7/4? i came up with 41/8 but how do i write it as interval notation? 2) 7x + 16 is less than or equal to 8 .. solve inequality and write the solution in interval notation.. 3)4x-16=y, for x Click here to see answer by Fombitz(13828)

 Question 157354: Solve the inequality and graph the solution. 3<2x<7 Click here to see answer by jim_thompson5910(28593)

 Question 157718: Find the x-intercepts y=x^2-4x-32 Make y=0 and factor x^2-4x-32=0 (x-8)(x+4) Set each one to zero x-8=0 so x=8 x+4 = 0 so x= -4 Click here to see answer by sassycarrie(1)

 Question 156922: how do i graph this on a cordinate plane.? 4x < -20 Click here to see answer by Alan3354(30993)

 Question 157785: Determine whether the graph of 2 equations are perpendicular. y=3X-7 4Y=3-x Click here to see answer by oscargut(891)

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