Wednesday

November 26, 2014

November 26, 2014

Posted by **Letty** on Tuesday, September 8, 2009 at 7:08am.

D=4e, for e The solution is e=

2. G(x) = 6/(6-5x)

Choose the correct domain below

{x|x is a real number and x ≠0}

{x|x is a real number and x≠6/5}

{x|x is a real number and x≥6/5}

{x|x is a real number and x ≠6}

3. Solve 5> -3x+4 or 9≤-3x+5

(-∞,-4/3]µ(-1/3,∞)

(-1/3,∞)

(-∞, -4/3]

(-∞,∞)

4. Graph the equation and identify the y-intercept

Y+x = -2

5. Solve by the elimination method

5x+6y=3

10x + 12y=6

6. Use the intercepts to graph the equation x+4y = 8

7. Graph the equation

Y=8

X=-4

8. -5≤3x-4≤-3

8x-(3x+5)=10

9. Graph the line containing the given pair of points and find the slope.

(6,2),(-6,-4)

Find the slope of the line

M=_____________

10. Solve -0,2x<-12

I think this is {x|-11.8}

11. Decide whether the pair of lines is parallel, perpendicular, or neither.

2x+3y=6

3x+2y=10

12. Collect the like terms

15r+5s-4r-7s= I think the answer is -11r+-2s

13. The width of a rectangle is fixed at 12cm. What lengths will make the perimeter 72cm.

The length must be greater than ----- cm. Is it 48

14.Solve then graph

y-7>-13

15. Find the slope and the y-intercept

F(x)=-6x-2

16. Graph the inequality on a plane

3x +4y≤12

17. Use the intercept to graph the equation

X+5y =10

18. Solve by using the substitution method

3x+5y=25

X=11-2y

19. Graph the system of inequalities

y≥-5

5≥6

Y=9/7 x+6

20. Solve by the elimination method

3r-2s=-2

2r+3s=29

21. Simplify

-9[61-(75-96)]

22. Solve the system of equations by graphing. Then classify the system as consistent or inconsistent and as dependent or independent.

9x-4t=20

4y-9x=-20

What is the solution of the system of equations?

Infinitely many solutions

A point

No solution

Is the system consistent or inconsistent?

Are the equations dependent or independent?

23. Solve the following system of equations.

X+5y=7 (1)

X=9-5y (2)

What is the solution of the system? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

The solution is _______. Type an ordered pair.

There is no solution.

Plot (0,6) on the coordinate axes.

24.Determine the slope of a line that is (-4,5)

25. Multiply -6/5 *(1/6)

26. Solve using the multiplication principle.

-6x>1/13

27. Use the distributive property to help you solve the equation.

3(w-5) = -15

W=________

28. Solve then graph

5x≥15

Choose the correct solution

{x}x<3}

{x|x≥3}

{x|x>3}

{x|x≤3}

29. Find the slope, if it exists, of the line containing the pair of points.

(6,7) and (8,-2) the slope m=__________

30. Solve using the multiplication principle. Don’t forget to perform a check.

-7/8x=-9/10

31. 50% of what number is 40?

The answer is _____________. I believe it is 80

32. 0.6x +4≤1.4x-7

The solution is {x|x___ ____}

33. 4+6x<46

The solution set is {x|x ________ _________}

34. 5/8x+1/16x=5/16+x

The solution is x=__________

35. Find the domain of the function

P(x) = X TO THE 2ND POWER – 2X +4

WHAT IS THE DOMAIN OF P?

36.Solve using the multiplication principle. Don’t forget to perform a check.

10x=-90

- math -
**MathMate**, Tuesday, September 8, 2009 at 7:49amLetty, I understand that you have a lot of homework in front of you.

If you have difficulties doing the homework, it means that you will need to catch up with the material. Someone else doing the homework for you does not make your next homework easier!

Read the following link, especially #2.

http://www.jiskha.com/display.cgi?id=1249306520

We will be glad to help you find where the problem is, if you give it a try first.

- math -
**Reiny**, Tuesday, September 8, 2009 at 8:01amWow!

you really expect somebody to do an assignment of 36 questions for you ??

you attempted only 2 of these (#13 and #31 you got #31 correct)

also #19 and #24 make no sense

actually #13 does not make aney sense either.

you said:

13. The width of a rectangle is fixed at 12cm. What lengths will make the perimeter 72cm.

The length must be greater than ----- cm. Is it 48

let the length be l

then 2l + 2(12) = 72

2l = 72 - 24

2l = 48

l = 24

if l > 24 then the perimeter > 72

but you want the perimeter to be**equal**to 72, so the length has to be**equal**to 24.

Where does the "greater than" come in ?

- math -
**Michelle**, Thursday, August 5, 2010 at 1:58pmgraph y-7>-14

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