SOLUTION: Got a couple questions. Solve and Graph 1. 5x+10y=-20 5/5=1 10/5=2 -20/5=-3 x+2y=-3 2y=x-3 <- Stuck here How to tell if something is linear? Minutes 4 9 14 21

Algebra.Com
Question 673677: Got a couple questions.
Solve and Graph

1. 5x+10y=-20
5/5=1
10/5=2
-20/5=-3
x+2y=-3
2y=x-3 <- Stuck here
How to tell if something is linear?
Minutes 4 9 14 21 27
Money 2.9 4.65 6.4 8.85 10.95
It is not linear because there is no direct correlation.
3. Solve 3/4 (5x-y)<3 for Y Graph the solution
Multiply by reciprocals
3/4*4/3
5x*4/3=20/3x
y*4/3=4/3y
20/x-4/3y<3 <- Stuck here


Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi,

5x+10y=-20 

 x + y = -5

     y = -x - 5  || (0,-5) and (-5,0) on this line.  Plot, connect with line (Green Line)



need to Plot Points: they are Linear (Blue Line) y = .35x + 1.5

x	y

4	2.9

9	4.65    y = .35x = b, use a Pt or find b

14	6.4

21	8.85

27	10.95



3/4 (5x-y)<3



     5x - y < 4

      5x-4 < y   ||Line y = 5x-4  (0,-4) and (4/5,0) on this line

Plot points, connect with Line and "Shade above that Purple Line" to graph y>5x-4

 

    

RELATED QUESTIONS


Can you please tell me if i got these correct?
Im doing a practice test to study for my... (answered by Edwin McCravy,solver91311)

I have a few questions on solving linear equations. We must use method's 1-graphing,... (answered by bmauger)

Hi, there! I'm a Brazilian engineering student. I'm kind of stuck with a problem in... (answered by richwmiller,josh_jordan)

This is a work sheet from my daughter's teacher.

Graph the linear system and tell how... (answered by stanbon)

This is a practice test im taking for Alg.1. Can you please tell me if i got these right?  (answered by Alan3354)

Can you please help:
My son is having trouble Solving rational equations.
Here are a... (answered by rmromero)

I need help with this question, I'll give the exact question.

Question: Given that... (answered by stanbon)

Plz solve....
3(x+2y)=10y+5... (answered by ikleyn,MathTherapy)

Solve by elimination:

1.8x + 11y= 20
5x - 11y= -59

2. 2x + 18y= -9
4x + 18y= -27
 (answered by jim_thompson5910)