## SarahAnderson 2 years ago Determine the type of boundary line and shading for the graph of the inequality -3x - y > -6

• This Question is Open
1. awesomeness123

Im not sure but I can bring to you some1 who does(well maybe lol)

2. awesomeness123

@yummydum this kid needs help!

3. awesomeness123

are you doing flvs?

4. SarahAnderson

No, I'm doing GAVS

5. awesomeness123

ohh like for georgia

6. yummydum

http://www.webmath.com/cgi-bin/tgraph.cgi?xmin%3D%2D5%26xmax%3D5%26ymin%3D%2D5%26ymax%3D5%26samples%3D100%26s%3D6%2D3x%26color%3DRed%26pltype%3Dineq%26ineq%3Dgt Note: The graphical answer to your inequality DOES NOT INCLUDE any point on the black solid curve. On your work, you should draw the solid curve shown as a dashed curve.

7. SarahAnderson

Yeah

8. SarahAnderson

Curve meaning line?

9. yummydum

yea sorry :)

10. SarahAnderson

So it would be a dashed line with shading on the side that does not include the origin?

11. yummydum

im sorry the graph i gave you was wrong...the shading is on the opposite side the graph of the inequality -3x-y>-6 is a dashed line with shading on its left

12. yummydum
13. SarahAnderson

So a dashed line with shading on the side that includes the origin?

14. yummydum

hope this helps! :) (and yes im 100% sure that the answer i have provided is correct ;))

15. yummydum

yup :)

16. SarahAnderson

Care to help with some more?

17. yummydum

mm....sorry im actually leaving :\ ....im sure @jim_thompson5910 would love to help :D

18. SarahAnderson

Alright, thanks!

19. yummydum

@awesomeness123 be a gentleman and see what you can do for her :)

20. SarahAnderson

Solve the inequality 2x + 8 < 5x - 4

21. jim_thompson5910

Start by subtracting 5x from both sides

22. SarahAnderson

23. jim_thompson5910

you got it

24. SarahAnderson

I'm just going to throw questions at you one after another, is that cool with you?

25. jim_thompson5910

sure

26. SarahAnderson

Which of the following ordered pairs is not a solution to the inequality y > -3x + 5? (0, 6) (2, 0) (-1, 9) (1, -1)

27. jim_thompson5910

tell me what you get or if you need help

28. SarahAnderson

Could you help?

29. SarahAnderson

Wait, is it (0,6)?

30. jim_thompson5910

alright

31. jim_thompson5910

y > -3x + 5 6 > -3(0) + 5 .. Plug in (0,6) 6 > 0 + 5 6 > 5 which is true so it's a solution Do the same for the others

32. jim_thompson5910

There are others that could be the solution (you don't know until you can verify or rule them out)

33. SarahAnderson

Wait never mind lol (1,-1)?

34. jim_thompson5910

you got it, (1, -1) is the answer

35. SarahAnderson

Connie needs to burn at least 500 calories at the gym today. She can burn 20 calories per minute on the treadmill (t) and 10 calories per minute on the elliptical trainer (e). Which inequality below can be used to find the possible combinations of time she could spend on each machine and still meet her goal of burning at least 500 calories? 20t - 10e 500 20t + 10e 500 20t - 10e 500 20t + 10e 500

36. SarahAnderson

Oh, sorry, I forgot the signs, the first one is greater than or equal to, the second is less than or equal to, the third is greater than or equal to, the fourth is less than or equal to.

37. SarahAnderson

sorry, another mistake lol, it was the 1st and last are greater than or equal to, the middle two and less than or equal to.

38. jim_thompson5910

which one do you think it is