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

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Algebra: Graphs, graphing equations and inequalities

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Question 41821This question is from textbook cord algebra 1
: y=-(x+3)^2This question is from textbook cord algebra 1

Click here to see answer by fractalier(1804)

Question 42203: how do you plot an ordered pair in the cartesian plane?
Click here to see answer by AnlytcPhil(958)

Question 42226: how do you simplify
x2+6x+5
______
x2-25
(x2= x squared or x to the second power)
Click here to see answer by fractalier(1804)

Question 42225: how do you simplify
x2+6x+5
-------- (over)
x2-25
(x2= x squared or x to the second power....over and ---- is divided line)
Click here to see answer by fractalier(1804)

Question 42347This question is from textbook

: A while back I submitted this question. Hopefully someone can help me out. Please! Thank you.
If P(4,-5) is a point on the graph of the function y=f(x), find the corresponding point on the graph of y=2f(x-6).
It's tough!This question is from textbook

Click here to see answer by AnlytcPhil(958)

Question 41418: graph y = 3 sin x and y = sin 3x on the same axes. label the graph of each function.
Click here to see answer by Nate(3495)

Question 42582: Find the equation of the line through the given point that is perpendicular to the given line. y=-2/3x+7, R(4,-1)
Click here to see answer by jmg(22)

Question 42581: Find the equation of the line through the given point that is perpendicular to the given line y=3x+5, Q(1,2)
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Question 42580: graph y=x^2+4x+4
Click here to see answer by Nate(3495)

Question 42578This question is from textbook
: Graph this y=(x-2)^2 and y=(x+3)^2 and discuss the relationship between the graphs of the two.This question is from textbook

Click here to see answer by Nate(3495)

Question 42579: graph y=x^2+6x+9
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Question 42591: Solve and graph the solution set. 3(x – 4) > 7x – 9
Click here to see answer by fractalier(1804)

Question 42591: Solve and graph the solution set. 3(x – 4) > 7x – 9
Click here to see answer by Nate(3495)

Question 42583: Find the equation of the line through the given point that is perpendicular to the given line. 2xy+6x-5=0 S(0,3)
Click here to see answer by rapaljer(3620)

Question 42655:
Click here to see answer by psbhowmick(456)

Question 42654: Find two consecutive integers such that the sum of 2 times the first integer and 4 times second integer is 46
Click here to see answer by psbhowmick(456)

Question 42645: Find two consecutive integers such that the sum of 2 times the first integer and 4 times second integer is 46.
Click here to see answer by Socom491(19)

Question 42649:

I got this wrong.. :(
Click here to see answer by Nate(3495)

Question 42683:
Click here to see answer by rapaljer(3620)

Question 42683:
Click here to see answer by Nate(3495)

Question 42680:

got this lost. i had to graph this equations by first solving for y.
Click here to see answer by Nate(3495)

Question 42679:

graph the following equution, using the intercept method.. im lost
Click here to see answer by Nate(3495)

Question 42679:

graph the following equution, using the intercept method.. im lost
Click here to see answer by rapaljer(3620)

Question 42663: Find the equation of the line through the given point that is perpendicular to the given line. 2y+6x-5=0 S(0,3)
Click here to see answer by tutorcecilia(2042)

Question 42724: Graph the function and state the domain and range.
x=y^2-1
Click here to see answer by fractalier(1804)

Question 42723: Graph the function and state the domain and range.
g(x)=x^2-2x-15

Click here to see answer by fractalier(1804)

Question 42727:
I got this wrong. I need to graph this following equation by first solving for y.
Click here to see answer by Socom491(19)

Question 42755: I can't remember all the steps HELP
Find the distance between the points (-1,2) and (3,-4)
Find the midpoint of the line segment joining the points (-1,2) and (3,-4)
thanks

Click here to see answer by tutorcecilia(2042)

Question 42762This question is from textbook

: Given f(x)=5x + 7 and g(x)=x^2 + 7, find (g circle f)(x).
Thank you.
This question is from textbook

Click here to see answer by tutorcecilia(2042)

Question 42757: Graph the function and state the domain and range
x=y^2-1
Can you also show the graph.
Thanks.
Click here to see answer by Nate(3495)

Question 42756: Graph the function and state the domain and range.
g(x)=x^2-2x-15
Can you please also show the graph?
Click here to see answer by Nate(3495)

Question 42825: y=2x+3
Click here to see answer by aaaaaaaa(138)

Question 42869: Isn't it y = - x + 3?

Click here to see answer by fractalier(1804)

Question 42846This question is from textbook Beginning Albegra

: Systems of linear equations: Solving by Graphing. I have to find the solution to the System.
The Problem is as follows: 2x-y=4
2x-y=6
this is what I came up with: the solution to the system is 3,2

2x-y=4 2x-y=6
2(0)-4=(-4) 2(0)-6-6
2(2)-0-4 2(3)-0=6

x y x y
0 -4 0 6
2 0 3 0
I tried to cut and past my graph to show the intercept as 3,2This question is from textbook Beginning Albegra

Click here to see answer by fractalier(1804)

Question 42949: Emergency!!!!! Buried and need help in understanding these problems.
(1) Find the x-intercept and y-intercept of the equation 5x -3y = 30.
(2) Find the equation for the line with slope .5 and y-intercept 3.
(3) Find the equation for the line with y-intercept 3 that is perpindicular to the line y = 2/3 x -4. I came up with 3y = 9 -2x am I close on this one?
(4) If f(x) =x^2 + 5, find f(a+h) - f(a). My solution was 2ah+h^2+10 is that correct?
Click here to see answer by fractalier(1804)

Question 42936: Problem 36 I got wrong.. :(
L has y- (intercept (0,-3) and is parallel to the line with equation y =2/3 x + 1.
Click here to see answer by tutorcecilia(2042)

Question 43019: What is the inverse graph of Y = Xsquared - 2? What is the inverse of y = Xsquared + X?
Click here to see answer by stanbon(26278)

Question 42988: Can anyone give me the slope of: 5y-4x+3=0 ???

Thank you
Click here to see answer by Lana06(2)

Question 43033This question is from textbook Algebra & Trigonometry

: 3(x+1)^2+3(y-1)^2=6This question is from textbook Algebra & Trigonometry

Click here to see answer by fractalier(1804)

Question 43078: I need the y= mx+b equations for these lines:
Line 1: -8x+13y+1 = 0
Line 2: -12x+11y+27 = 0

Thanks gang
Click here to see answer by Nate(3495)

Question 43077: Can anyone help with this?
A line passes through the point (-4,-9) and has a slope of -3 . Write an equation for this line in x,y -coordinates.

Click here to see answer by Nate(3495)

Question 43076: Can anyone graph these 2 equations on one graph so I can see the properly shaded areas? I never have trouble with one equation, but with two I always seem to shade the wrong areas.
y<= 2x+9
y>= -6x-5
Click here to see answer by Nate(3495)

Question 43086: Consider the line y= -1/4x+4
What is the slope of a line parallel to this line?
What is the slope of a line perpendicular to this line?

Click here to see answer by Nate(3495)

Question 43098: Find two consecutive integers such that the sum of 2 times the first integer and 7 times second integer is 88.

Click here to see answer by checkley71(8405)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000