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

Tutors Answer Your Questions about Graphs (FREE)

Question 320361: Find the equation of the line that passes through the points (0, 0) and (�5, �4).
Click here to see answer by checkley77(12844)

Question 320438: Use the intercepts to graph the equation
X+3Y=6
My thought is the first set is going to be (0,2) and the next is going to be (6,0)
Is this correct if not can you help me?
Click here to see answer by ankor@dixie-net.com(22740)

Question 320511: write a system of equation and choose the best method to solve each system. solve and check answers.
The owner of a health-food store sells a mixture of seeds and nuts. The seeds cos .20 pers ounce, and the nuts cost .30 per ounce. Forty-two ounces of the mixture has a value of $11.00. How many ounces of seeds and nuts did the owner use in the mix?
Click here to see answer by checkley77(12844)

Question 320508: solve by graphing. check by substituting the approximate solutions into the origingal equations. Round approx. solutions to the nearest tenth.
y= 3/4x + 3
y= 2/3x + 1
Click here to see answer by checkley77(12844)

Question 320464: i need help with these questions.
1. solve the system of equations 2x + 3y = 40 and -2x + 2y =20.
2. solve the system of equations 2r + 2s =50 and 2r - s = 17.
3. solve the system of equations 3r - 4s = 0 and 2r + 5s =23.
4. solve the system of equations 3y + 2z = 12 and y - z = 9.
5. a line in the cartesian plane passes through the points (-2, 4) and (2, -1). what are the rise and the run of the line?
Click here to see answer by solver91311(24713)

Question 320457: Graph the inequality on a plane:
2x+3y ≤6
I tried this but am unsure
if x=0 then y=2 2(0)+3(2) ≤6 so the coordinate first would be (0,2)
Then if X=3 then Y=0
2(3)+3(0) ≤6 so the next set would be (3,0)
Click here to see answer by solver91311(24713)

Question 320568: WHAT IS THE POINT SLOPE FORM OF AN EQUATION WITH THE SLOPE 3/5 THAT PASSES THROUGH THE POINT 10,2

Click here to see answer by Alan3354(69443)

Question 320651: what is the parallel and perpendicular slope to this equation including all the steps to find this problem y=-2/3x=6
Click here to see answer by ankor@dixie-net.com(22740)

Question 320795: solve the following equation for x
5 cos x + 4 = 7 (solve for values of x between 0 and 180 degrees)
Click here to see answer by Fombitz(32388)

Question 320765: how do you graph this equation: y=3x-5
Click here to see answer by rfer(16322)

Question 320817: If y varies inversely as x^2, and y=2 when x=4, what is the constant of variation?
Click here to see answer by stanbon(75887)

Question 320818: The amount of money that a salesperson makes varies directly as the total amount of sales made. If the salesperson receives $7,500 for selling a house for $120,000, how much will he or she make if he or she sells a house for $150,000?
Click here to see answer by stanbon(75887)

Question 320815: Graph the function:
y=f(x)=x^2
Click here to see answer by Alan3354(69443)

Question 320810: How would you graph the inequality on a plane with the inquality being x+y=2?
Click here to see answer by solver91311(24713)

Question 320836: Determine whether equation is independent, dependent, or inconsistent.
x - y = 3
-6 + 6y = 17
Click here to see answer by Alan3354(69443)

Question 320828: Determine whether the equation is independent, dependent, or inconsistent.
y = -4x -7
y = 3x
Click here to see answer by Alan3354(69443)

Question 320838: Solve each system by substitution or addition.
2y - x = 3
x = 3y - 5
Click here to see answer by Alan3354(69443)

Question 320834: Solve by using addition method.
2x = 2 - y
3x + y = -1
Click here to see answer by Alan3354(69443)

Question 320833: Solve by using the addition method.
x - 2y = -1
-x + 5y =4
Click here to see answer by Alan3354(69443)

Question 320832: Solve by using the addition method:
x + y = 7
x - y = 9
Click here to see answer by Alan3354(69443)

Question 320831: Solve each system by the substitution method.
x + 3y = 2
-x + y = 1
Click here to see answer by Alan3354(69443)

Question 320830: Independent,dependent, or inconsistent?
2x - y = 4
2x - y = 3
Click here to see answer by Alan3354(69443)

Question 320829: Independent,dependent, or inconsistent.
y = x + 4
3y - 5x = 6
Click here to see answer by Alan3354(69443)

Question 320837: Equations Involving Fractions or Decimals: Solve each system by the addition method.
3x - 2.5y = 7.125
2.5 - 3y = 7.3125
Click here to see answer by checkley77(12844)

Question 320736: Solve the system of equations:
X+4Y=9
X=5-4Y
Click here to see answer by checkley77(12844)

Question 320925: Solve the system of equations by graphing. Then classify the system.
y=-x-13
4x-3y=-17
Click here to see answer by stanbon(75887)

Question 320943: How do you write an equation of the line containing the given point and parallel to the given line? (6,3; 6x-5y=7
Click here to see answer by stanbon(75887)

Question 320960: if the slope of a line is 2 and its y-intercept is 5, what is the equation of the line?
Click here to see answer by unlockmath(1688)

Question 320954: solve the system of equations 2r + 2s = 50 and 2r - s = 17
Click here to see answer by Sunny Day(15)

Question 320956: solve the system of equations 3y + 2z =12 and y - z=9
Click here to see answer by Sunny Day(15)

Question 320955: solve the system of equations 3r - 4s =0 and 2r + 5s = 23
Click here to see answer by Fombitz(32388)

Question 320153: Graph the inequality on a plane
2x+3y is less than or equal to 6
Thank you
Click here to see answer by Fombitz(32388)

Question 321061: Solve and graph 4x + 9≥ 1 and 2x - 22 ≥ -18 The solution is x/x≥____?
Click here to see answer by jim_thompson5910(35256)

Question 321231: i have a pattern of triangles and each side is one unit, therefore one triangle would be 3 units and it goes all the way to four triangles which makes it twelve units.
On the question it says "What is the perimeter of the nth figure in this pattern?"
and i have no idea how i'm suppose to find that? can you help?
Click here to see answer by stanbon(75887)

Question 321259: Solve by addition.
2x = 2 - y
3x + y = -1
Click here to see answer by Alan3354(69443)

Question 321262: Solve by addition method.
3x - 2.5y = 7.125
2.5x - 3y = 7.3125
Click here to see answer by Alan3354(69443)

Question 321261: Solve by addition method.
3/7x + 5/9y = 27
1/9x = 2/7y = 7
Click here to see answer by Alan3354(69443)

Question 321258: Solve by addition.
3x + 5y = -1
x - 2y = 11
Click here to see answer by Alan3354(69443)

Question 321257: Solve each system by addition.
x - 2y = -1
-x + 5y = 4
Click here to see answer by Alan3354(69443)

Question 321256: Solve each system by addition.
x + y = 7
x - y = 9
Click here to see answer by Alan3354(69443)

Question 321255: Solve by substitution.
x + 3y = 2
-x + y = 1
Click here to see answer by Alan3354(69443)

Question 321254: Solve by substitution, Determine dependent, independent, or inconsistent.
2x - y = 4
2x - y = 3
Click here to see answer by Alan3354(69443)

Question 321253: Solve by substitution. Determine whether independent,dependent, or inconsistent.
y = x + 4
3y - 5x = 6
Click here to see answer by Alan3354(69443)

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11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 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