# 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 438611: how do you write an inverse varation equation that relates x and y? Click here to see answer by richard1234(5390)

 Question 438823: what is the x-coordinate of the x-intercept of the function 2/3y=-6x+12? Click here to see answer by nerdybill(6958)

 Question 438837: Could someone please show me how to determine whether the ordered pair is a solution of the inequality? (-2,4; 8x+y<5 Click here to see answer by nerdybill(6958)

 Question 438937: write an equation for the line that passes through (6,2) and is parallel to y=-1/2x+4 i have tried to solve for x but i have a feeling that that is not what my teacher wants because i get a really awful answer and i need to be able to graph it but i couldnt thank you for your help sincerly frusterated algebra student Click here to see answer by solver91311(16885)

 Question 439197: Could someone pleas show me step by step how to graph the system of inequalities? x+y<6 (All are greater than or equal to and all less than are are less than or equal to) 2x+y<6 x>0 y>0 Click here to see answer by stanbon(57347)

 Question 439281: The equation I am having problems with is: (5,9); x+8y=9 The equation of the line is y= Click here to see answer by stanbon(57347)

 Question 439263: Graph the equation and identify the y-intercept x+2y=8 Click here to see answer by jorel1380(2518)

 Question 439367: Find the equation of the tangent line for the curve f(x) = x^3 - 2x + 5 at x = 2 (Write equation in y = mx + b form) Click here to see answer by nerdybill(6958)
 Question 439367: Find the equation of the tangent line for the curve f(x) = x^3 - 2x + 5 at x = 2 (Write equation in y = mx + b form) Click here to see answer by lwsshak3(6505)

 Question 439365: What is the slope of the tangent line to the curve y = 2x^4 + x^3 + 6x at x = 1 Click here to see answer by Alan3354(30993)

 Question 439356: I am trying to finish up an assignment and am very confused with the next two problems. For the next two problems it advices: Determine the number of real-number solutions to the equation from the given graph. Ofcourse I cannot put the graph in here but it also says 4^x2 + 1 = 4x, given the graph of y = 4x - 4^x2 -1. The next one states: x^2 + x - 11 = 0, given the graph of y = x^2 + x - 11. I hope you can help without seeing the graphs. Thank you! Click here to see answer by Alan3354(30993)
 Question 439356: I am trying to finish up an assignment and am very confused with the next two problems. For the next two problems it advices: Determine the number of real-number solutions to the equation from the given graph. Ofcourse I cannot put the graph in here but it also says 4^x2 + 1 = 4x, given the graph of y = 4x - 4^x2 -1. The next one states: x^2 + x - 11 = 0, given the graph of y = x^2 + x - 11. I hope you can help without seeing the graphs. Thank you! Click here to see answer by robertb(4012)

 Question 439425: How do you graph d=-6.05(2002-1998)+90.01 from 1998 to 2002 Click here to see answer by Alan3354(30993)

 Question 439433: I have some homework problems that's asking me to write my solutions in set builder notation. I have the answers to the problems, so that's not what I'm needing help with. Problem: x - 4/7 ≤ 2 Answer: x ≤ 18/7 Problem: - 2/15 x ≥ 3/16 Answer: x ≤ - 45/32 Problem: -3x – 6 < 5(x – 5) Answer: x > 19/8 How do I write the solutions in "Set Builder Notation"? Thank you! Click here to see answer by nerdybill(6958)

 Question 439474: Hi, I do not know how to graph this function. Could you give me step by step instructions? i here is the imaginary number: y = (x-i)(x+i)(x-2i)(x+2i) Click here to see answer by Gogonati(809)

 Question 439489: Could someone please show me step by step how to solve the system by elimination method? 5x+3y=-7 7x-2y=13 Click here to see answer by Gogonati(809)

 Question 439851: which line is perpendicular to the line whose equation is 5y+6=-3x ? Click here to see answer by Alan3354(30993)

 Question 440045: 3x + 6y = 72 what is the y-intercept what is the x-intercept Click here to see answer by robertb(4012)

 Question 440054: The following function is one to one. Find the inverse of the function and graph the function and its inverse on the same set of axes. f(x)=2x-1 f^-1(x)= Click here to see answer by robertb(4012)

 Question 440053: graph the equation then identify the y-interecpt 4y+5x=12 Click here to see answer by robertb(4012)

 Question 440071: Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph. State the domain and the range of the function. Attach graph as listed and required. f(x) = e^-x – 1 Click here to see answer by robertb(4012)

 Question 440149: Please I need HELP!! complete ordered pair solution for following equation 2x+y=6 (1, ) Click here to see answer by richard1234(5390)

 Question 440494: three more than five times a number is one less than seven times the number. find the number Click here to see answer by jorel1380(2518)

 Question 440785: find and label the vertex and the line of symmetry. graph the function. f(x)=(x+2)^2 Click here to see answer by stanbon(57347)

 Question 440776: Could someone help me to find the slope of the line containing the pair of points? (4,1) (6,-10) Click here to see answer by ewatrrr(10682)

 Question 440400: a homeowner saved \$84.45 on a purchase of lawn furntiture that originally sold for \$563. what percent of the original price did the homeowner save ? Click here to see answer by ewatrrr(10682)

 Question 441012: how do you find the x and y intercepts of Click here to see answer by unlockmath(1599)

 Question 441290: Hello, Can some help me solve this inequality problem (not needed for a graph just trying to solve)? Thanks in advance. 12x<16x+22 Click here to see answer by josmiceli(9678)

 Question 441469: y= x2 + 28x + 196 What is the x-intercept of the graph of the equation Click here to see answer by stanbon(57347)

 Question 441503: Can anyone help with the following problelm? Determine the vertex of the parabola. f(x) = x2 - 10x + 26 Click here to see answer by Alan3354(30993)
 Question 441503: Can anyone help with the following problelm? Determine the vertex of the parabola. f(x) = x2 - 10x + 26 Click here to see answer by stanbon(57347)

 Question 441507: What is the equation in slope-intercept form of a line containing the points (1/2,6) and (-1/2,8)? Click here to see answer by stanbon(57347)