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Question 38647: A general equation of the family of lines perpendicular to 2x-5y=7 is...
THE ANSWER IS: 5x+2y=k (BUT HOW DO U GET THIS?) please tell me how and why this is the answer
YOUR HELP IS MOST APPRECIATED, THANK YOU SO MUCH

Click here to see answer by Earlsdon(6287)

Question 38703: if y = 5x + 3, is the slope 5/1 or 5/0?
Click here to see answer by Nate(3500)

Question 40430: . Find the equation, in slope-intercept form, of the line that passes through the points (5,2) and (-7, 3).
Click here to see answer by mbarugel(146)

Question 40614: Tell whether the points are the vertices of a parallelogram (that is not a rectangle), a rectangle, or neither.

(-7, -1), (2, -10), (16, -3), (7, 8)
Click here to see answer by smik(40)

Question 40798: The equation of the st. line passing through (5,2) and (-7, 3) is
=
Cross multiplying
(x-5) = -12(y-2)
Expressing y in terms of x
y = + 2 = -x +
This is the slope intercept form of the given st. line.
Ans.: The slope is - and length of its intercept on x-axis is .
Click here to see answer by psbhowmick(529)

Question 40943: if points A,B,C on a coordinate line have cooridnates -5,3,and 10 respectively, find d(A,C) + d(B,C).
Click here to see answer by venugopalramana(3286)

Question 41214: By what number should you muliply the first equation to solve using elimination (of the x variable)?
-2x-3y=-4
-6x+4y=-38
a. 2 b. -4 c. 2 d. -2
Click here to see answer by fractalier(2101)

Question 42363: How exactly can I graph this using the intercept method.I'm totally lost..

Click here to see answer by psbhowmick(529)

Question 42362: This was in our practice ,and I'm lost.

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Question 42362: This was in our practice ,and I'm lost.

Click here to see answer by rapaljer(4667)

Question 42362: This was in our practice ,and I'm lost.

Click here to see answer by venugopalramana(3286)

Question 42501: Write the equation of the line x-intercept (12,0) and y-intercept (0,4).
Click here to see answer by Nate(3500)

Question 42501: Write the equation of the line x-intercept (12,0) and y-intercept (0,4).
Click here to see answer by nik_consult(24)

Question 42715: hi can you pls help me to my assignment?

2x+y=1
i need you help
Click here to see answer by tutorcecilia(2152)

Question 42704: Inequality 2 x-10 <3 express the solution as an interval. thanks
Click here to see answer by fractalier(2101)

Question 42702: inequaliyt 7<4x+3<21, what is the interval
Click here to see answer by fractalier(2101)

Question 42837: what is the slope and y-intercept of a -2x+y=-1
Click here to see answer by fractalier(2101)

Question 42917: what is the equation of the ellipse with foci at (0,-4)and (0,4)and the sum of its focal radii being 10
Click here to see answer by fractalier(2101)

Question 42916: what is the equation of the ellipse with foci at (0,-4)and (0,4)and the sum of its focal radii being 10
Click here to see answer by fractalier(2101)

Question 42915: write an equation of a circle with center at the origen and radius 6.
Click here to see answer by fractalier(2101)

Question 42914: what is the equation of the perpendicular bisector of the line between the poins (2,2)and (6,6)

96
Click here to see answer by fractalier(2101)

Question 42913: what is the equation of the perpendicular bisector of the line between the poins (2,2)and (6,6)

96
Click here to see answer by fractalier(2101)

Question 42911: find the coodinates of the point c, halfway between the points a (5,1) and b (-2,7)
Click here to see answer by fractalier(2101)

Question 43213: Find the distance d(A,B) between the points A(-1,0) and B(4,3). I graphed it to be 5, I'm asking to see if my answer is right. thanks for any help given.
Click here to see answer by Nate(3500)

Question 43214: Find all points having an x-coordinate of 2 whose distance from the point (-2,-1) is 5.
Click here to see answer by Nate(3500)

Question 43215: determine the point A(x,y) so that the points A(x,y), B(0,3), C(1,0), D(7,2) will be the vertices of a parallelogram. I plotted it to be A(6,5) I'm asking to see if I plotted it right. Thanks for looking it over with me.
Click here to see answer by Nate(3500)

Question 43218: find all points on the x-axis that are 5 units from the point (4,-3)
Click here to see answer by Nate(3500)

Question 43523: Hello, I need help with the following question: If points A, B, and C on a coordinate line have coordinates -5, 3, and 10 respectively, find d(A,C)+d(B,C).
Click here to see answer by jake_6233(74)

Question 43663: Find the distance from the point (-1,6) to the line y=2x-1.
Click here to see answer by checkley71(8403)

Question 43734: find the slope of the line containing the following
1)(-1,6)and(0,3)
2)(1\2,-1)and(3\4,2)
3)(6,6)and(7,4)

THANKS A LOT VERY MUCH !!!!!!!!
Click here to see answer by benni1013(197)

Question 44382: For the set of data below, give the window settings provided by the ZoomStat option.
x -2 -1 0 1 2
y 7 6 3 2 0

a. xmin = -2.4
xmax = 2.4
ymin = -1.19
ymax = 8.19

b. xmin = -10
xmax = 10
ymin = -10
ymax = 10

c. xmin = -0.7
xmax = 7.7
ymin = -2.68
ymax = 2.68

d. xmin = -3
xmax = 3
ymin = -9
ymax = 9

e. None of the others

Click here to see answer by stanbon(57387)

Question 44398: x+y=4
x-y=2
Click here to see answer by venugopalramana(3286)

Question 44404: b+2a=2
a=-3-b
Click here to see answer by venugopalramana(3286)

Question 44401: 6x-2y=2
9x-3y=1
Click here to see answer by venugopalramana(3286)

Question 44400: y=123.52x+89.32
y=-89.22x+33.76
Click here to see answer by stanbon(57387)

Question 44471: Having problem with my assignment, would someone plesae help me?
Determine the point A(x,y) so that the points A(x,y),B(0,3),C(1,0),D(7,2) will be the vertices of a parallelogram.

Find an equation for the line with y-intercept 3 that is perpendicular to the line y=2/3(actaully the fraction two-thirds)x-4.
Click here to see answer by venugopalramana(3286)

Question 44659: Determine if the pair of lines are parallel.
-8x + 2y = 8
y = (1/4)x-3
I came up with (-2,-4) and (4,-2) or should I have solved seperately for x and y in each problem.
Click here to see answer by adamchapman(301)

Question 44975: find the possible values of a if the points with the given coodinates are the indicated distance apart
(4,7), (a,3); d = 5
how do you do it? o.O <--- weird face lol
Click here to see answer by stanbon(57387)

Question 44973: find the possible values of a if the points with the given coordinates are the indicated distance apart.
(4,7),(a,3); d=5
(5,a), (6,1); d= square root of 10
(6,-3),(-3,a); d= square root of 130
Click here to see answer by Nate(3500)

Question 45157: I got this wrong. Solve this by the following system by graphing.

Click here to see answer by rapaljer(4667)

Question 45336: Find the midpoint of the segment that joins them.
(2,-1), (4,3)
Click here to see answer by Nate(3500)

Question 45336: Find the midpoint of the segment that joins them.
(2,-1), (4,3)
Click here to see answer by tutorcecilia(2152)

Question 45344: make a table of values and sketch the graph of the equation. and test for symmetry.4y= x (square)
Click here to see answer by Nate(3500)

Question 45349: Find an equation of the circle that stisfies the given conditions
centerCenter at the origin; passes through (4, 7)
Click here to see answer by Nate(3500)

Question 45346: Find an equation of the circle that stisfies the given conditions
center (2, -1); radius 3
Click here to see answer by tutmath(14)

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