# 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 528563: I am not sure what I am suppose to be doing with this problem and could use some help. If s varies inversely as x and s=4 when x=-4 then find s when x=2. Click here to see answer by lmeeks54(105)

 Question 528567: I need some help with this please. write a formula that expresses the relationship P varies jointly as x and y and P=8 when x=3 and y=-10 Click here to see answer by ankor@dixie-net.com(15660)

 Question 528586: I'm trying to help my 8th grade daughter with her homework. Here's the first question: -4>y+2>-10 She can figure out questions with and or "or" but can't figure this one out. I sure can't either. Click here to see answer by scott8148(6628)

 Question 528977: Write the equation in the form y= mx+b m=0 b= -9 Click here to see answer by Alan3354(30993)

 Question 529297: okay so tomorrow i have a math test and two questions are over maximizing an objective function, and there wroth 20 points but the problem is that my teacher did not teach me how to do it. so i need your help because i have never even heard about this before. Click here to see answer by KMST(1874)

 Question 529535: I could use some help with this problem please.Determine f^-1 for f(x)=∛(x+5. It's cubed if it is too small to see. Thank you Click here to see answer by MathLover1(6638)

 Question 529629: How do I solve this system of linear equations? This is the problem: x-4=y, y/2 plus 5=2x Just to let you know I need a high level of explanation, or a lot of detail in your explanation. Please dont assume I know a lot about this subject. THANKS!!! Crystal Click here to see answer by scott8148(6628)

 Question 529742: Is the line through points P(8, 10) and Q(5, 12) perpendicular to the line through points R(9, 6) and S(17, 5)? Explain. Click here to see answer by solver91311(16897)

 Question 529770: How do you do a question like. "y=mx+b' when you don't have b? Click here to see answer by lwsshak3(6522)
 Question 529770: How do you do a question like. "y=mx+b' when you don't have b? Click here to see answer by richard1234(5390)

 Question 529832: The circumference C, in centimeters, of a healing wound is approximated by C(r) = 6.28r, where r is the wounds radius, in centimeters. a) Find the rate of change of the circumference with respect to the radius. b) Explain the meaning of your answer to part (a) Click here to see answer by josmiceli(9697)

 Question 529972: Y=2 when x=20 need to write an inverse varation equation for x and y and then graph. Click here to see answer by KMST(1874)

 Question 530063: I've been trying to solve this for a few days and am having no luck and need some help please. f(x)=sqrt x g(x)=x^2 and h(x)= x+2. Write q(x)=sqrt x^2+4x+4 as a composition of f, g, h. Click here to see answer by Edwin McCravy(8912)

 Question 530422: Find the equation of the line that passes through the equation point P and is Parallel to the line L. P(2,1), L:3x+y=-2 I'm so lost. Click here to see answer by Edwin McCravy(8912)

 Question 530489: I am trying to find the answer for points to do a line graph. Here is my question. 3x + 4 = 4x =6 I was not sure how to do this. Thank you for your help. Sarita Click here to see answer by jim_thompson5910(28598)
 Question 530489: I am trying to find the answer for points to do a line graph. Here is my question. 3x + 4 = 4x =6 I was not sure how to do this. Thank you for your help. Sarita Click here to see answer by rfer(12670)
 Question 530489: I am trying to find the answer for points to do a line graph. Here is my question. 3x + 4 = 4x =6 I was not sure how to do this. Thank you for your help. Sarita Click here to see answer by stanbon(57395)

 Question 530418: Find the equation of a circle given its center C and one point P. C(0,4),P(0,0). Thank You Click here to see answer by scott8148(6628)

 Question 530843: -slove for y in terms of x: -x+2y=6 Click here to see answer by oberobic(2304)

 Question 530999: (4,-8) (-10,1) write the equation using only interger coefficients Click here to see answer by oberobic(2304)

 Question 531057: c2+11c+18/c+9 the quotient is_____ (c to the 2nd power) Click here to see answer by jim_thompson5910(28598)

 Question 531737: The blackberry's driveway is difficult to get up in the winter ice and snow because of its slope. what is the equation of the line that represents the Blackberry's driveway? Click here to see answer by oberobic(2304)

 Question 532539: complete the ordered pairs,(1,_) and (_,9) so they satisfy the equation y=-9x +18. this is what I have so far y=-9x+18 -9(1)+18 y=9 I substituted 18 for the y and came up with 18=-9x+18 and got zero, but zero is not an option in the homework. Can anyone show me what I did wrong? Click here to see answer by Alan3354(30993)

 Question 532613: What is the value of the y variable in the solution to the following system of equations? 3x + y = 11 3x + 2y = 1 Click here to see answer by Alan3354(30993)

 Question 532629: Write the equation in the slope-intercept form m = 4; (3,4) Click here to see answer by Alan3354(30993)

 Question 532633: Write the equation in the slope-intercept form m = - 1/8 (-16,5) Click here to see answer by Alan3354(30993)

 Question 532632: Write the equation in the slope-intercept form m = 9 (3,1) Click here to see answer by Alan3354(30993)
 Question 532632: Write the equation in the slope-intercept form m = 9 (3,1) Click here to see answer by Edwin McCravy(8912)

 Question 532631: Write the equation in the slope-intercept form m = - 5 (2,7) Click here to see answer by Alan3354(30993)

 Question 532630: Write the equation in the slope-intercept form m = 4/5 (10,-12) Click here to see answer by Alan3354(30993)