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

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Question 171447: A recent downturn in economy is causing a man's 401(k) to lose value at a linear rate . On january 1 the account was worth $120,000 and on August 1 it was worth $96,000. If the current trend continues, on december 1 it will be worth how much?
Click here to see answer by checkley77(12844)

Question 171446: for given function f (x) = 1-xsquared.
Click here to see answer by KnightOwlTutor(293)

Question 171412: A recent downturn in economy is causing a man's 401(k) to lose value at a linear rate. On january 1 the account was worth $120,000 and on August 1 it was worth $96,000. If the current trend continues,on December 1 it will be worth how much?
Click here to see answer by checkley77(12844)

Question 171427: Find the slope (m), and y intercept (b) for each of these equation.
a) y = -3+ 3 b) y = -6/7x
c) y = 9 - 2x/11 d) 3 = y/5-2
Click here to see answer by KnightOwlTutor(293)

Question 171455: heyy. my name is chelsey and i really need your help on this!!!!!! when you are like looking for the thing when you have to find how many steps you go over and how many steps you go its like oh how do you like find the slope of a graph thats what it is! i reallly neeed to no THANKS!
Click here to see answer by Alan3354(69443)

Question 171405: For given functions f(x) = 18 - 3x, and g(x) + 18 - 2xsquared
A. What is f(-6)? B. What is g(-3)?
Click here to see answer by KnightOwlTutor(293)

Question 171425: Determine whether each equation is a linear equation. If so write the equation in standar form and write the values of A,B, and C
A) 2xsquared + 2ysquared =18
B) x - y = 5
C) 2y - 3 = 7
D) 3xy + 5 =10
Click here to see answer by stanbon(75887)

Question 171443: system of linear inequalities.
2x-2y<6
x-y<9
Click here to see answer by Alan3354(69443)

Question 171475: How would f(x)=x+3 look like graphed?

Click here to see answer by Alan3354(69443)

Question 171603: Graph f(x) = x^2 - 4x -5
Click here to see answer by jim_thompson5910(35256)

Question 171667: How to graph y=-2x^2-1
Click here to see answer by jim_thompson5910(35256)

Question 171865: Graph f(x)=x2-6x+2
Click here to see answer by jim_thompson5910(35256)

Question 171886: g(x)=3x/x2+4 find vertical and horizonal
Click here to see answer by jim_thompson5910(35256)

Question 172013: Find the slope (m) and y-intercept (b) for the equation
3=y/5-2

Click here to see answer by akatekemp59(1)

Question 172021: Solve the problem
To hold the temperture of a room between 18C and 21C, what Fahrenhiet tempertures must be maintained? ( Hint Fahrenheit temperture F and Celsius temperature C are related by the formulaF=9c+160/5 )
Click here to see answer by Alan3354(69443)

Question 172150: What is the x and y intercept of (0,3) and (-4,0)?
x1*y2 0 x intercept
----- =-
y1*x2 -12 y intercept
x1,y1
(0,3
(-4,0)
x2,y2
Click here to see answer by stanbon(75887)

Question 172167: Find three different ordered pairs that are solutions of the equation. Graph the equation when x=3
Click here to see answer by jim_thompson5910(35256)

Question 172400: how do is work this problem i dont know where 2 start. 3x+y=6
Click here to see answer by jim_thompson5910(35256)

Question 172410: find the vertex and the intercepts of the parabola given below and sketch its graph
F(x)=2(x+1)^2-8
Click here to see answer by user_dude2008(1862)

Question 172498: We have just leaned about parallel and Perpendiculars mline and I am Strugling with them we are using a workbook for this lesson.
At the top of the section it says
Write an equation in slope-intercept form of the line thast is perpendicular to the graph of each equation and passes through the given point.
The problem that I am stuck on is
y=-5x+1; (2,-1)
For my work I got
y-1=[-5x(-2)Then...
y=-5x-10 for my anwer but I d not think that it is right.

Click here to see answer by jojo14344(1513)

Question 172534: 3(X-0.87) -2X = 4.98

IS THE ANSWER 1X=7.59, IF SO HOW DID I GET THIS ANSWER.
THANKS.
Click here to see answer by stanbon(75887)

Question 172533: 7R
__= -14
12
Click here to see answer by stanbon(75887)

Question 172560: Is log(ab)=log(a).log(b) a true statement? Choose any positive values for a and b and then compute both sides
Click here to see answer by Alan3354(69443)

Question 172542: (1) solve the equation: 3(X-0.87) -2X = 4.98

(2) Finding MSRP. What was the MSRP for a Hummer H1
that sold for $107,272 after an 8% discount?
(3) Consecutive odd integers. Find two consecutive odd
intergers whose sum is 56.

These will hopefully be the last 3. Even the most simple problems are stumping me.
Click here to see answer by Mathtut(3670)

Question 172585: Find the slope of the line which passes through (1, 1) and (2, -2).
Click here to see answer by Alan3354(69443)

Question 172585: Find the slope of the line which passes through (1, 1) and (2, -2).
Click here to see answer by monika_p(71)

Question 172583: Fine the slope of the line that passes through (-2, 3) and (-1, 4).
Click here to see answer by checkley77(12844)

Question 172593: Write Each Equation in standard form:
y+3=-5(x+1)
This is what I did:
y=3=-5x-5
-5x+y+3=-5
5x+y=-8
I'm not sure if this is right. Is it?
Click here to see answer by Mathtut(3670)

Question 172599: solve by completing the square:
12x^2 + 17x=7

I got to the point :
x^2 + 17/12x + 289/256 = 7/12 + 286/256
but I dont understand how to simplify it

Click here to see answer by KnightOwlTutor(293)

Question 172220: In a cubic graph, how do I find the coordinates of the turning points.
Eg, xcubed - 3xsquared - 4x + 12. Can I use differentiation?
Click here to see answer by Alan3354(69443)

Question 172699: y=-2x+4
Click here to see answer by checkley77(12844)

Question 172707: 5x+2y=18
Click here to see answer by kristi2(1)

Question 172711: find the x-intecept of the line 5x-y=-5

Click here to see answer by Mathtut(3670)

Question 172779: is log(ab)=log(a).log(b)a true or false stament when using 12 for a and 14 for b?
Click here to see answer by vleith(2983)

Question 172809: solve by graphing
x-y=1
x+y=-1
Click here to see answer by jim_thompson5910(35256)

Question 172739: In 2004, German driver hrfj won the U.S. race. His speed was approx. 113.523 miles per hour write a direct variation equation for the distance D that hrfj drove in H hours at that speed

Click here to see answer by Mathtut(3670)

Question 172871: how do i know if the value is a solution, i need to provide a value that is not a solution. If the value is not a solution, i need to provide a value that is a solution. how do i do this for -2< x <4?

Click here to see answer by Mathtut(3670)

Question 172886: Find the slope of the line passing through points (-10,4) and (-4,-1).
Click here to see answer by colliefan(242)

Question 172886: Find the slope of the line passing through points (-10,4) and (-4,-1).
Click here to see answer by jim_thompson5910(35256)

Question 172917: The sum of number is 12. If two times the greater number is substracted from 5 times the lesser number. The result is 25 what is the product of the two original numbes if the greater one is doubled and the lesser one is cut in half?
Click here to see answer by ankor@dixie-net.com(22740)

Question 172948: Find the distance between the points (2,3) and (-5,-1). Find the midpoint of the line segment joining the same two points.

Click here to see answer by checkley77(12844)

Question 173010: Ariyone claims that 3,6 is the point of intersection of the lines y= 4x-2 and y=1/2x+5. is he correct. How do you know?
Click here to see answer by scott8148(6628)

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