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

Tutors Answer Your Questions about Graphs (FREE)

Question 119026: I think with this problem (t-7 over 4=11)you first multiply by 4 on both sides to get rid of it? But I'm not sure, can you please help me?
Click here to see answer by solver91311(16868)

Question 119025: I think with this problem (t-7 over 4=11)you first multiply by 4 on both sides to get rid of it? But I'm not sure, can you please help me?
Click here to see answer by ankor@dixie-net.com(15622)

Question 119052:
ECOLOGY The water level of a reservoir is at 27 feet. During a drought the
water level falls by 1 1/2 feet per week. Write an equation for the
wataer level L after w weeks. Graph the equation. In how many weeks will the
water level be at 18 feet.

I tried making a table and using point slope form, but I am just stuck on what to do and my math book isn't exactly explaining it to me.
Click here to see answer by tutorcecilia(2152)

Question 119134: Find the equation of the line that passes through the points (2,-3) and (-1,-2)
Click here to see answer by jim_thompson5910(28476)

Question 119155: I just need to remember how to graph an inequality like this:
2x - 3y > 6

Click here to see answer by jim_thompson5910(28476)

Question 119190: solve the equation -5y + 6=-(y-7)
> a. 4/13 b. -4 c. -1/4 d. 3 1/4
Click here to see answer by jim_thompson5910(28476)

Question 119194: Solve
x^2+6x+9=49
a.4,-4
b.10,-4
c.4, -10
d.10,-10
Click here to see answer by jim_thompson5910(28476)

Question 119205: solve the equation by finding square roots.
2x^2 = 14
Click here to see answer by jim_thompson5910(28476)

Question 119208: The expression -16t^2 +1100 models the height of an object t seconds after it has been dropped from a height of 1100 feet. Find the height of an object after falling for 4.1 seconds.
a. 1034.4 ft b. 831.04 ft c. 5403.36 ft d. 1368.96 ft
Click here to see answer by jim_thompson5910(28476)

Question 119210: 256x^2 = 36
a. -3/8, 3/8
b.-9/64,9/64
c.-8/3,8/3
d. -64/9,64/9
Click here to see answer by solver91311(16868)

Question 119159: A painter has exactly 32 units of yellow dye and 54 units of blue dye. She plans to mix the dyes to make two shades of green. Each gallon of the lighter shade of green requires 4 units of yellow dye and 1 unit of blue dye. Each gallon of the darker shade of green requires 1 unit of yellow dye and 6 units of blue dye.
29. Make a graph showing the numbers of gallons of the two greens she can make.
30. List three possible solutions.
Click here to see answer by ankor@dixie-net.com(15622)

Question 119211: 256x^2 = 36
a. -3/8, 3/8
b.-9/64,9/64
c.-8/3,8/3
d. -64/9,64/9
Click here to see answer by jim_thompson5910(28476)

Question 119252: it is a word problem.....
Brain and three friends bought 3/4 pound of candy.If they slit the candy equally,how much will each person get?(leave ur answer as a fraction)
can u please help me solve this problem??

Click here to see answer by stanbon(57214)

Question 119057: Graph system of Inequality.
2x-y>4
Click here to see answer by bucky(2189)

Question 119224: it is a word problem....
Brian and three friends bought 3/4 pound of candy.If they split the candy equally,how much will each person get?

i tried putting it into a proportion and wrote:3/4=X/4.....and solved it and i got the answer X=3
is that the right way to solve this problem?
Click here to see answer by MaxLiebling(13)

Question 119315: Can you show me how to write the vertex form for this problem y=-0.75x^2+3x-4 and finding its x-intercepts?
Click here to see answer by solver91311(16868)

Question 119367: |2t+5|<7
|w-5|>3
Click here to see answer by stanbon(57214)

Question 119490: Students measure the circumference and diameter of a number of circular objects and graph the circumference on the y axis and the diameter on the x axis. The students then draw a line that seems to best fit the data points. How can the students use their graphs to estimate the value of pi?
a. find the length of the line
b. find the slope of the line
c. find the y intercept of the line
d. find the midpoint of the line
Click here to see answer by josmiceli(9645)

Question 119521: Tell whether the ordered pair is a solution of the given system:
x+3y=6
(3,1)
4x-5y=7
Click here to see answer by Fombitz(13828)

Question 119434:
16x-3x=y
Click here to see answer by checkley71(8403)

Question 119537: How do you graph 3x=y?
Click here to see answer by checkley71(8403)

Question 119424: i need help by solving solving systems and graphing here are my numbers

y=x-6
y=-x

i need help please and thank u
Click here to see answer by checkley71(8403)

Question 119403: hi i need some help with graphing inequalities i understand some of it, but not all of it. like for example i need help with y_< 2x+4
Click here to see answer by Edwin McCravy(8879)

Question 119530: Will you help me with these equations, i have to graph them as well.

y>1/2x-8
m=
b=
line=
shade=

y>-1/4x+5
m=
b=
line=
shade=

Click here to see answer by Denean(2)

Question 119549: Draw a line through the origin with each of the given slope.
-1
Click here to see answer by checkley71(8403)

Question 119623: I don't understand algebra at all and I understand slopes and lines even less! What is the equation for a line parallel to the line y=3x+4 and passes through the point (5, -3)

Thanks
Click here to see answer by stanbon(57214)

Question 119625:
Thank you stanbon. so then what is the slope of a line parallel to the line y=3x+4?
Thanks
Click here to see answer by stanbon(57214)

Question 119629: draw a mapping for the relation (1,4),(-5,0),7,4)
Click here to see answer by stanbon(57214)

Question 119656: x(x+3)+2(6x-5)=10

Click here to see answer by chitra(359)

Question 119743: Can you graph the following?
y=2x+1

y=2/3x+1
Thanks for your help
Click here to see answer by MathLover1(6611)

Question 119748: evaluate the function for the value specified.
f(x)=xsec.power-7x+10; find (a)f(0),(b)f(5), and (c)f(-2)
I am really confused on this one. Thanks
Click here to see answer by jim_thompson5910(28476)

Question 119750: rewrite the equation as a function of x
-3x+4y=11
Click here to see answer by jim_thompson5910(28476)

Question 119750: rewrite the equation as a function of x
-3x+4y=11
Click here to see answer by MathLover1(6611)

Question 119745: graph the inequalitie

4x+y>4
> is with underline
Click here to see answer by jim_thompson5910(28476)

Question 119746: graphg 3x-4y<12
Thanks
Click here to see answer by jim_thompson5910(28476)

Question 119744: graph the boundary line for y>3. determine the correct half-plane and complete a graph.
Thank you
Click here to see answer by jim_thompson5910(28476)

Question 119747: graph the inequalitie
you have atleast $30.00 in change in your drawer, consisting of dimes and quarters. Write an inequality that shows the different number of coins in your drawer.
Click here to see answer by stanbon(57214)

Question 119741: Can you graph the equations
y=2x
y=x+1
Thanks
Click here to see answer by checkley71(8403)

Question 119856: -8
Click here to see answer by jim_thompson5910(28476)

Question 119857: 1<4x+1<17
Click here to see answer by jim_thompson5910(28476)

Question 119858: 1<-2x+7<9
Click here to see answer by jim_thompson5910(28476)

Question 119855: -7x<14 and 3x+2<8

Click here to see answer by jim_thompson5910(28476)

Question 119860: 3x-1<-7 or x-5>-6
Click here to see answer by jim_thompson5910(28476)

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