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Question 551754: solve the system by substitution.
{-x+y=-1
{3x-2y=1
Click here to see answer by deborabr(181)

Question 551872: Write the slope-intercept for the line with slope= (-1/2) and y-intercept=(0,3) and graph line.
Click here to see answer by jim_thompson5910(35256)

Question 551869: Find the x and y intercepts and graph the equation plotting the intercepts.
-3x-5y=15
Click here to see answer by jim_thompson5910(35256)

Question 551899: Simplify the following expression; express in terms of i. √-4
Click here to see answer by jim_thompson5910(35256)

Question 551991: solve the equetion (3/2)x+15=6

Click here to see answer by jerryguo41(197)

Question 552026: Which of the following describes the line that passes through the point (4,7) that is parallel to the line represented by the equation: -3x + y = 4
a.y=-3+19
b.y=3x-5
c.y=1/3x+52/3
d.y=-1/3x+81/3
Click here to see answer by unlockmath(1688)

Question 552084: find the three consicutive numbers whose sum is 108

Click here to see answer by rfer(16322)

Question 551994: why are 3x+6y=12 and 6x-3y=9 parallel
Click here to see answer by neatmath(302)

Question 552103: Write the slope-intercept equation for the line that passes through (-3,-15) and is perpendicular to -6x+8y=3
Click here to see answer by mananth(16946)

Question 552101: Write the slope-intercept equation for the line that passes through
(2,-9) and (4,1)
Click here to see answer by mananth(16946)

Question 552099: Find the slope and y-intercept of the line in the given equation.
y= -2/7x-3
Click here to see answer by mananth(16946)

Question 552055: What is an equation of the line that passes through the point (−2,−4) and is perpendicular to the line x+5y=15. Express your answer in slope-intercept form.
y=mx+b
x+15=5y
15x/5
y=3
Click here to see answer by mananth(16946)

Question 552105: Using this equation: y-y^1=m(x-x^1), write the slope-intercept equation for the line with the given slope that contains the given point.
m=8/3;(3,-4)
Click here to see answer by JBarnum(2146)

Question 552012: (-5,-5), 6x-y=1,
Write an equation that passes through the given point and is parallel to the given line.
Click here to see answer by mananth(16946)

Question 552013: Write an equation of the line that passes through the given point and is perpendicular to the given line.
problem 1.
(1,-1),y=3x+2
problem 2.
(5,0),y=2/3x-4
problem 3.
(3,-7),y=-1/5x+1
Click here to see answer by mananth(16946)

Question 551997: I have a question on writing equations of parallel lines I understand that in order for an equation to be parallel with another, they must have the same slope. here is the problem. (3,-2),y=2/3x+1
Click here to see answer by ankor@dixie-net.com(22740)

Question 552157: Given (6,-15) is a point on the following line, convert the equation to point-slope form.
6x + 2y = 6

Click here to see answer by TutorDelphia(193)

Question 552434: I don't understand how to solve this linear equation -2b+6=-10
Click here to see answer by Theo(13342)

Question 552381: 3x+2y=8
Click here to see answer by Alan3354(69443)

Question 552482: CALCULATE THE SLOPE, THE X & Y INTERCEPT , THEIR CORRESPONDING POINTS OF ORIGIN AND THEN GRAPH THE FOLLOWING ORDERED PAIRS. 8X-4Y=24
Click here to see answer by JBarnum(2146)

Question 552520: 9. One of two supplementary angles is 30 degrees greater than twice the other. Find the degree measure of each angle.

Click here to see answer by Alan3354(69443)

Question 552520: 9. One of two supplementary angles is 30 degrees greater than twice the other. Find the degree measure of each angle.

Click here to see answer by stanbon(75887)

Question 552537: I am helping my daughter with her homework and I havent done algebra in years. If we need to draw a line oin a graph and shade in the correct area, how would we find where to draw the line for y is less than or equal to 2x -5? I cant seem to find the coordinates. Thank you.
Click here to see answer by Alan3354(69443)

Question 552491: What is the general form of a line passing through (4,7) and has an an angle of 60degrees with the line x=4 ?
Click here to see answer by Theo(13342)

Question 552605: Find the slope, if it exists, of the line containing the pair of points.
(1,10) and (8,-9)
the slope is:
Click here to see answer by fcabanski(1391)

Question 552624: I just can't figure this out... please help :)
In 1990, the life expectancy of males in a certain country was 64.4 years. In 1995, it was 66.9 years. Let E represent the life expectancy in year t and let t represent the number of years since 1990.
The linear function E(t) that fits the data is
E(t)=____t+___.
(round to the nearest tenth)
Use the function to predict the life expectancy of males in 2005.
E(15)=____
(round to the nearest tenth)
Im at a loss.... Thank you in advance for your help!!!
Click here to see answer by solver91311(24713)

Question 552641: Write the slope-intercept form of the equation of the line in the graph. The points of the line in the graph are: (0,-5) and (5,1)
Click here to see answer by josmiceli(19441)

Question 552713: Use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places.
(3.8 � 108) � (6.9 � 104)

Click here to see answer by rfer(16322)

Question 552747: Find an equation of the line containing the given pair of points.(-7,-6) and (-1,-5)The equation of the line in slope-intercept form is y=
Click here to see answer by jim_thompson5910(35256)

Question 552751: i need help solving this ASAP. Please help me convert this to the slope-intercept form!
y+10=-4/5(x-5)
Click here to see answer by jim_thompson5910(35256)

Question 552785: How do you write the equation of a line in slope-intercept form passing through (4,5) and (6,8)?
Click here to see answer by jim_thompson5910(35256)

Question 552882: are 3x-6y=12 and y=x+4/2 parallel?
Click here to see answer by mananth(16946)

Question 552884: at what point do the graphs of the equations y=7x-3 and -6x+y=2 intersect
Click here to see answer by mananth(16946)

Question 552940: What is the standard form of the equation for a vertical line?
Click here to see answer by KMST(5328)

Question 552944: determine if points (0,6),(2,12),and(-3,-3)are colllinear

Click here to see answer by reviewermath(1029)

Question 552954: determine the general equation of the line describe by the following
a)line passing through (-1,-3) and parallel to 2x-3y+6=0
b)perpendicular bisector of the segment form through (2,7)and (4,3)
Click here to see answer by mananth(16946)

Question 552988: Which equation below represents a line that is perpendicular to the equation 4x � 12y = 2 and passes through the point (10, �1)?

Click here to see answer by mananth(16946)

Question 552995: what would be the point of intersection?
x+2y=3
y=4x-12
Click here to see answer by Alan3354(69443)

Question 553033: Correction for problem 1. it should read as:
Solve using addition to eliminate one variable.
1. -y=2x, 3x+y=20
Thanks again... You rock Alan!!

1. -y=2x, 3x+y=20
2. 4x+2y=6, 2x+y=3
Solve using Substitution to eliminate one variable.
3. y+5x=17, 4x-3y=6
4. y=-x+3, 2x=-2y+10
thanks for any help offered.
Also corrected problem 4 to its proper form... So still looking for help with Problems 1 and 4. Thank you for the help!!

Click here to see answer by Alan3354(69443)

Question 553101: Find the slope of the line passing through the pair of points.
(7, 6) and (�7, �6)
Click here to see answer by jim_thompson5910(35256)

Question 553104: Rewrite the following equation into the three forms of a linear function.
(Standard Form, Slope Intercept Form, Point-Slope Form)
y-5=2(x-8)
Click here to see answer by jim_thompson5910(35256)

Question 553145: write the equation in slope intercept form. then identify the slope and y-intercept 3x-9y=27
Click here to see answer by jim_thompson5910(35256)

Question 553176: multiply 4n(3n^8-4n^2-5n+10)
Click here to see answer by stanbon(75887)

Question 553176: multiply 4n(3n^8-4n^2-5n+10)
Click here to see answer by jim_thompson5910(35256)

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