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

Tutors Answer Your Questions about Graphs (FREE)

Question 442788: Factor completely, 6x^8-54x^7+30x^6
Click here to see answer by unlockmath(1688)

Question 442788: Factor completely, 6x^8-54x^7+30x^6
Click here to see answer by nerdybill(7384)

Question 442775: Graph the function
f(x)= -2x^2 + 4x + 3
Click here to see answer by ewatrrr(24785)

Question 442772: Graph the function
f(x)= -(x-1)^2
Click here to see answer by ewatrrr(24785)

Question 442832: 2x+18>23
Click here to see answer by kittycat1613(12)

Question 442990: I can not figure this one out.... -y= 4X-5 What is the slope of this line?
Click here to see answer by Alan3354(69443)

Question 443042: let h(x)=x^2-x Find h(-1)
Click here to see answer by shree840(260)

Question 443040: Determine an equation for the vertical line passing through the point (5,2)
Click here to see answer by shree840(260)

Question 443043: let f(x)=2x^2-x-2, g(x)=x+2 Find g(-1)-f(-1)
Click here to see answer by swincher4391(1107)

Question 443044: let f(x)=2x^2-x-2, g(x)=x+2 Find f[g(2)]
Click here to see answer by stanbon(75887)

Question 443061: Graph the equations on separate graphs by completing the tables and plotting
the points. You may use Excel or another web-based graphing utility.
Complete the table using the given values of x and the equation y = -2x + 7.
Click here to see answer by swincher4391(1107)

Question 443083: Solve the system by the graphing method
x+y=4
y=x+2
Click here to see answer by swincher4391(1107)

Question 443074: Determin whether the graphs of the two lines are parallel.
y+3=9x
6x-y=-3
Are the graphs of the given equations parallel?
No or Yes
Click here to see answer by mananth(16946)

Question 443093: Find the eqaution of the parabola given the three points: (0,1),(2,1),(-1,4)
Click here to see answer by swincher4391(1107)

Question 443092: Find the eqaution of the parabola given the three points: (1,0),(0,-4),(2,6)

Click here to see answer by swincher4391(1107)

Question 443106: what equation would i use to correctly describe a y-intercep of (0,6)
Click here to see answer by swincher4391(1107)

Question 443162: I am frying my brain trying to solve this algebra questions. Most having to do with graphs. Can anyone help me with this?
Question 1: Solve, then graph:
a + 2 <-13 (the "<" should be underlined).
Thank you!
Click here to see answer by MathLover1(20849)

Question 443193: Given f(x)= -3x+2 and g(x)= -2x+9
find (gof)(x)
Can anyone help me with this problem? TY in advance.
Click here to see answer by swincher4391(1107)

Question 443387: I am having trouble with this equation: m^2 - 1 / (m + 1)^2. Can someone please help me with this equation?
Click here to see answer by stanbon(75887)

Question 443408: Please help solve this simultaneous equations
x^2 = 4 - y
x = y + 2

thanks
AA
Click here to see answer by swincher4391(1107)

Question 443468: Find the x intercept and y intercepts, slope and graph:3x-4y=12
Click here to see answer by rfer(16322)

Question 443491: Solve, x=_______: -x^2-3x+4=0
Click here to see answer by josmiceli(19441)

Question 443693: solve and graph. -3x-9y=18
Click here to see answer by oberobic(2304)

Question 443707: Graph each inequality, and write the solution set using both set-builder notation and interval notation for problem: y<6
Click here to see answer by MathLover1(20849)

Question 443727: How to coordinates 6,1
on the gragh
Click here to see answer by ewatrrr(24785)

Question 443744: Hello. I need a little bit of help...or shall I say, a lot of help with this Algebra problem:
An equation and two ordered pairs are given. Show that each pair is a solution of the equation. Then graph the two pairs to determine another solution. Answers may vary.
2y + x = 5; (−1, 3), (7, −1)
Thank you!

Click here to see answer by ewatrrr(24785)

Question 443745: find the vertex, the line of symmetry, the maximum or minimum value of the quatratic function, and graph the functio f(x)=+-2x^2+2x+8
Find the x-coordinate of the vertex is___
Find the y-coordinate of the vertex is__
The equation of the line of symmetry is x=____
The maximum/minimum of f(x)is ___
The value , f(1/2)=17/2 is?
Click here to see answer by ewatrrr(24785)

Question 443754: solve for x. x^2+13=6x
Click here to see answer by swincher4391(1107)

Question 442922: y=(x^3-x)/2
I need to find the intercepts, I know it intercepts the y axis at (0,0) but want to know how to find the x intercepts,I am having trouble when plugging 0 in for y. I am thinking they will be square roots. Please help

I was also asked to test this equation for symmetry and determined that it is symmetric with respect to the origin.
Click here to see answer by ewatrrr(24785)

Question 443709: the number of tickets sold each day for an upcoming performance of handel's Messiah is given by N(x)=-0.3x^2+6.6x+14, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?
Ticket sales will peak__days after the concert was first announced.
The number of tickets soldon the day will be ___
Click here to see answer by ewatrrr(24785)

Question 443774: find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function f(x)=2x^2-16x+37
choose correct line of symmetry?
a. y=-5
b. x=-4
c. y=5
d. x=4
the maximum/minimum of f(x) is?
Is the value, f(4)=5 minimum or a maximum?
Click here to see answer by solver91311(24713)

Question 443787: how do you graph and solve y= 3x-4
Click here to see answer by swincher4391(1107)

Question 443807: Determine whether each equation has the given ordered pair as a solution.
y = 5x + 8; (0, 8)

Click here to see answer by swincher4391(1107)

Question 443811: okay so iam doing my algebra homework. and in school i get it perfect-ally fine but than i came home and looked at it and iam so confused. it says " Solve each system by graphing " and than number one says ..
1.) x-y=7
3x+2y=6
and i remember my teacher saying you have to find the y's for each. but i don't know how to actually get the value of y for them.
Click here to see answer by Alan3354(69443)

Question 443877: how do you graph -3x + y = 5
Click here to see answer by josmiceli(19441)

Question 443895: how do u graph 2x + y = -6
Click here to see answer by ewatrrr(24785)

Question 443889: how do u graph x - y = -2
Click here to see answer by ewatrrr(24785)

Question 443399: need help with solving this equation with graphing please. {y=-4x-5
y=-x-5}
mountlace@msn.com
Click here to see answer by ewatrrr(24785)

Question 443479: Factor Completely 4w^2-9w+5
Click here to see answer by ewatrrr(24785)

Question 443918: What is the slope of the line that passes through (2, 5) and (�1, 5)?
Click here to see answer by ewatrrr(24785)

Question 443965: Hey, I have question about finding a equation for a parabola with a focus of (3,4) and a directrix of Y=2. After finding the equation, I have to graph it, but my math book is not very helpful on this matter, I had to miss class the day before when we went over them and I have a hard time learning out of a book rather than interacting with someone else.
Anyways, thanks for any help that you might be able to offer, and my name is Wayne. Thanks again.
Click here to see answer by scott8148(6628)

Question 444015: just got signed up for school now that i got some time seeing as i wont be going out to sea anytime soon having trouble remebering graphing equations i have this math problem 4x-5y=20 i have to solve y and plot the point on the chart i think i have to minus 4 from both sides but then i get lost from there please let me know if you can give me some guidance on this it'd be greatly appreciated thank you,
Click here to see answer by scott8148(6628)

Question 444121: write f(x)=x^2+10x-26 in vertex form
Click here to see answer by edjones(8007)

Question 444254: graph y = 1 + x^2
Click here to see answer by MathLover1(20849)

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