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Question 615001: can you please help in showing me the steps to solve this equation? thank you.
The point (6, 2) lies on the line -x � 8y = -22. Determine if this point is a solution of the system
-x � 8y = -22
-7x + 3y = -36

Click here to see answer by Theo(13342)

Question 615025: Write an equation for the line that is perpendicular to the given line and that passes through a given point.
4x-12y=2;(10,-1)
Here is what I did:
-12y=-4x+2 (divided every thing by -12)
y= 3/4x+1/6 (negative reciprocal is -4/3)
y=mx+b
-1=(-4/3)*10+b
-1=-40+b
-1+40=b
39=b (plug in "b")
the equation is: y=-4/3x+39 (I am not sure if this is right)

Click here to see answer by nerdybill(7384)

Question 615027: Write an equation for the line that is perpendicular to the given line and that passes through a given point.
y=2/3x+9; (-6, 5)
Here is what I did:
negative reciprocal is -3/2)
y=mx+b
5=(3/2)*-6+b
then I get confused. Please help.Thank you very much.

Click here to see answer by nerdybill(7384)

Question 615031: y=1/4x+3
Click here to see answer by jim_thompson5910(35256)

Question 614304: Find the x and y intercept of the graph of the equation
-8x + 3y=24
Click here to see answer by asuar010(338)

Question 615086: I need hep please! Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this please.
-3x - 5y = 61
7x - 5y = -9
Click here to see answer by stanbon(75887)

Question 615089: Find the slope of the line 4x-5y=-3
Click here to see answer by stanbon(75887)

Question 614939: could you please help me on this equatins ?
The point (6, 2) lies on the line -x � 8y = -22. Determine if this point is a solution of the system
-x � 8y = -22
-7x + 3y = -36

Click here to see answer by asuar010(338)

Question 615112: can you help me please, Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-3x � 5y = 61
7x � 5y = -9

Click here to see answer by mananth(16946)

Question 615111: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-3x + 4y = 1
-6x + 6y = -3

Click here to see answer by mananth(16946)

Question 615149: Write the ordered pair for f(-5) = 8 and identify the x- and y-values.
Click here to see answer by lwsshak3(11628)

Question 615195: write an equation in slope intercept form that passes through (-1,-5) and is parallel to the graph of y=-6x-4
Click here to see answer by nerdybill(7384)

Question 615150: an alloy of iron contains 49% iron while another alloy contains 28% iron. how many kg of each alloy should be used to get 120 kg of 42% iron alloy ?
Click here to see answer by Alan3354(69443)

Question 615240: i need to find the equation of a line that is perpendicular to the line y=1/4x+6 and contains the points (-8,0)
Click here to see answer by scott8148(6628)

Question 615346: HELP!
- Determine how many solutions exist
- Use either elimination or substitution to find the solutions (if any)
- Graph the two lines, labeling the x-intercepts, y-intercepts, and points of intersection

x + y = 3 and y = x + 3
Click here to see answer by solver91311(24713)

Question 615121: need to know how to graph the inequality, indicating the solution set with shading.

Click here to see answer by asuar010(338)

Question 614654: find the slope
y=2x-4
Click here to see answer by asuar010(338)

Question 615439: -x+3y=6
Click here to see answer by asuar010(338)

Question 615516: What are the correct steps to solve 2x/3=x/6+5
Click here to see answer by jim_thompson5910(35256)

Question 615528: Solve the following system algebraically(one decimal):
x + 3y = 4
x + 5y = -1
(i cant change the topic, very small box, no options in it)
Click here to see answer by scott8148(6628)

Question 615580: find an equation of the line having the given slope and containing the given point m=3/4,(3,-8)
Click here to see answer by jim_thompson5910(35256)

Question 615605: A grocery store sells two types of maps. The local map cost 50 cents, and the
state map costs 75 cents. The store made 35 dollars selling 62 maps. How
many local maps did he sell?
A. 12
B. 23
C. 35
D. 46
E. 54
Click here to see answer by josmiceli(19441)

Question 615642: what is the slope of each line and then determine whether the two lines are parallel, perpendicular or neither
-5x+3y=6
-20x+12y=0
Click here to see answer by stanbon(75887)

Question 615604: z �y = 30
z + y = 32
Column A: 2 -or- Column B: Y
A. if the quantity in Column A is greater
B. if the quantity in Column B is greater
C. if the two quantities are equal
D. if it is impossible to determine which quantity is greater
Click here to see answer by KMST(5328)

Question 615856: Solve each linear Equation
a) -3x � 6(x � 4) = 9
b) 0.4p + 0.2 = 4.2p � 7.8 � 0.6p
c) 4(3x � 1) + 11 = 2(6x + 5) � 8
d) -2 + 7x + 6 = 5x + 4 + 2x

Click here to see answer by jim_thompson5910(35256)

Question 615846: in the formula,y=mx+b,idenify the slope and y-intercept.
Click here to see answer by lenny460(1073)

Question 615883: FIND THE SLOPE OF THELINE THAT PASSES THROUGH EACH PAIR OF POINTS (-4,11) AND (5,2)
Click here to see answer by solver91311(24713)

Question 615883: FIND THE SLOPE OF THELINE THAT PASSES THROUGH EACH PAIR OF POINTS (-4,11) AND (5,2)
Click here to see answer by stanbon(75887)

Question 615884: Find the slope of the line that passes through each pair of points (4,-4) and (3,-1)
Click here to see answer by solver91311(24713)

Question 615924: So, we're supposed to find the slope and y-intercept for the following problem:
(3,4) (5,7) and I know how ti work out the problem, I just can't set it up! I true m= 4-7 over 3-5 but then I got stuck and knew it wasn't right. What do I do?
Click here to see answer by jim_thompson5910(35256)

Question 615939: i need an equation to match this data table
x -3 -2 -1 0 1 2 3

y 5 9 13 17 21 25 29
Click here to see answer by scott8148(6628)

Question 616168: The first term and common ratio of a geometric sequence is given below. What are the first five terms of the sequence? a1=5 R= -4 Hint an= a1r^n-1
Click here to see answer by ewatrrr(24785)

Question 616164: Express the given equation in slope-intercept form and then state the slope �m� and the y-intercept. 3x-2y=24
Click here to see answer by ewatrrr(24785)

Question 616167: Solve the system of equations shown below using elimination, and then state the solution as an ordered pair.
4x+5y=-18
-9x+2y=-92
Click here to see answer by richwmiller(17219)

Question 616167: Solve the system of equations shown below using elimination, and then state the solution as an ordered pair.
4x+5y=-18
-9x+2y=-92
Click here to see answer by stanbon(75887)

Question 616242: Solve for n, -3(2n+1)=6
Please show steps, I am lost.
Click here to see answer by jim_thompson5910(35256)

Question 616270: points (1,4) and (4,2) lie on line k. what is the slope of the line that is perpendicular to k?
Click here to see answer by lwsshak3(11628)

Question 616419: i buy 20 pencils at a certain price and 30 other more expensive pencils.the pencils cost me 90p.had i bought 30 of the cheaper pencils and the 20 of the dearer , i should have saved 5p.find the cost of of one of the dearer pencils.
Click here to see answer by josmiceli(19441)

Question 616435: please solve and graph this equation:
y<-2x
is the answer true or false?
Click here to see answer by Alan3354(69443)

Question 616531: m=-1/3, b=7 linear slope y=?
Click here to see answer by ewatrrr(24785)

Question 616537: find the slope of the line that passes through each pair of points (10,-5) and (-2,-8)
Click here to see answer by ewatrrr(24785)

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