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

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Question 975282: What are the x and y intercepts for
x^2/16+y^2/9=1
Click here to see answer by MathLover1(20849)

Question 975281: find the center and radius of the circle
(X+3)^2+(y+2)^2=4
Center=
radius=
Show the equation that represents the circle by rewriting it in standard form and find the center and radius of the circle
x^2+y^2-4x+4y+7=0
Click here to see answer by josgarithmetic(39617)

Question 975292: y=-1/2x+1 passing through the point (5,-6)i have to find the slope intercept
Click here to see answer by josgarithmetic(39617)

Question 975332: Please help me. I'm trying to figure out the answer to writing the standard form of this equation of the line through the pair of points (5,4) and (3,9). I have to write the equation using only integer coefficients.
Click here to see answer by josgarithmetic(39617)

Question 975373: x^2+y^2=16
Whats the center and radius?
Click here to see answer by Fombitz(32388)

Question 975377: whats the standard form for x^2+y^2-4x+4y+7=0 and its center and radius?
The standard form,circle and radius for x^2+y^2+6y+7=0?
Click here to see answer by Alan3354(69443)

Question 975339: I need help graphing |x^2+2x|-x^2= |y^2+2y|-y^2
Click here to see answer by Edwin McCravy(20054)

Question 975327: To be eligible for a scholarship, you must have at least a 3.0 grade point average.YOLO
Click here to see answer by Alan3354(69443)

Question 975386: Whats the center and radius for (x-3)^2+y^2=36
x^2+y^2=5 center and radius?
Click here to see answer by josgarithmetic(39617)

Question 975416: how do you find the vertex for y=-xsquared+8x-3
Click here to see answer by Boreal(15235)

Question 975416: how do you find the vertex for y=-xsquared+8x-3
Click here to see answer by Shana-D(6)

Question 975422: how do I graph in vertex form?
y=-(x-2)�+7
Click here to see answer by Edwin McCravy(20054)

Question 975422: how do I graph in vertex form?
y=-(x-2)�+7
Click here to see answer by Shana-D(6)

Question 975529: The given points are vertices of a right triangle. Find the length of the hypotenuse of the triangle. (9,-2) (2,-1) (10,5)
Click here to see answer by Boreal(15235)

Question 975523: Suppose the functions f(x) and g(x) are inverse functions. About what line is the graph of g(x) a reflection of the graph of f(x)?
Click here to see answer by Edwin McCravy(20054)

Question 975567: how do I draw lines passing through the origin with slopes -1,-1/2,0,1/3,2 on the same set of axes?
Click here to see answer by Boreal(15235)

Question 975547: What are the x and y intercepts for?
X^2/16+y^2/9=1
Click here to see answer by Fombitz(32388)

Question 975595: how to find the equation of the perpendicular bisector of the line segment with endpoints (-6,-1) & (6,7)
Click here to see answer by Boreal(15235)

Question 975605: {2x+y=3 and 4x+2y=5}
Click here to see answer by Alan3354(69443)

Question 975615: Whats the equation that would have the endpoints of p(-2,1) and q(8,9)?
Click here to see answer by Alan3354(69443)

Question 975621: the sum of two numbers is 25 and their difference is 15. what are the two numbers? let x =one number
and y= the other number. the corresponding modeling system is
{x+y=25
x-y=15
this is a system of linear equations: solution by substitution
Click here to see answer by Alan3354(69443)

Question 975619: what equation would have a center (-2,1) tangent to the x-axis?
Click here to see answer by Alan3354(69443)

Question 975619: what equation would have a center (-2,1) tangent to the x-axis?
Click here to see answer by Edwin McCravy(20054)

Question 975613: whats the standard form, center and radius for x^2+y^2+2x+y+1=0?
Click here to see answer by lwsshak3(11628)

Question 975618: whats the center and radius for x^2+y^2=5?
Click here to see answer by Alan3354(69443)

Question 975616: x^2+y^2+6y+7=0
Whats the center and radius and standard form?
Click here to see answer by Alan3354(69443)

Question 975665: Please graph the circle for x^2+y^2=36.
Click here to see answer by Alan3354(69443)

Question 975750: slope of the line that contains points (5,-9)and (5,9)
Click here to see answer by Alan3354(69443)

Question 975782: what is the table of values of 3x-2y=-4?

Click here to see answer by Alan3354(69443)

Question 975823: f(x) = x2 + 7, 0 ≤ x ≤ 2 whats the domain of the function?
Click here to see answer by solver91311(24713)

Question 975848: whats the slope and y intercept
for -3x-4y+4=0?
Click here to see answer by josmiceli(19441)

Question 975887: HOW TO SOLVE A EQUATION ON A GRAPH PAPER
Click here to see answer by Fombitz(32388)

Question 975953: whats the slope of
2x-6y=18
Click here to see answer by Alan3354(69443)

Question 975952: 2x+3y-1=0
whats the slope and y intercept?
Click here to see answer by Alan3354(69443)

Question 975964: Find an equation of the line that satisfies the given conditions. Through (5,9) parallel to the x axis?
Click here to see answer by Alan3354(69443)

Question 975982: Whats the slope and y intercept of 2x-4y=0
Click here to see answer by solver91311(24713)

Question 975954: whats equation of the line goes (-1,-3) perpendicular to the line 2x+7y+9=0?
Click here to see answer by solver91311(24713)

Question 975987: If you wanted to make the graph of y = 2x - 4 steeper, which equation could you use?
A. y = 5x - 4
B. y = -2x - 4
C. y = x - 4
D. y = 2x + 3
Click here to see answer by FrankM(1040)

Question 976060: What is the equation of the line passing throughv(-2,0)
Click here to see answer by Alan3354(69443)

Question 976142: 3x>-y+7

why the solution is (3,9)
Click here to see answer by josgarithmetic(39617)

Question 976150: The second angle of a triangle garden is four times as large as the 1st. The third angle is 45 degree less than the sum o the other two angles. Find the measures of each angle.
x+4x + (5x-45)=180
x+4x + (5x-45) = 10-45
10x + 45-45 = 180 -45
10x = 135
10/10 = 135/10
x = 13.5 ?
Click here to see answer by josgarithmetic(39617)

Question 976194: I'm having trouble understanding how to write equations that relate x and y. For example, what equation am I supposed to write if x=4 and y=12. would it be 3x=y?
Click here to see answer by oscargut(2103)

Question 976202: Is C=(pi)d a model of direct variation if C is circumference and d is diameter? The question asks if circumference and diameter are related through that equation
Click here to see answer by Alan3354(69443)

Question 976206: There's a graph on my homework and the question asks if it's a graph of direct variation. I don't know how to put it on this with the bracket things so I'll just say that the line doesn't go through 0,0 at all. I'm pretty sure it's not direct variation but I wanted to confirm. Thank you for answering whoever does
Click here to see answer by Boreal(15235)

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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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