March 2, 2015

Homework Help: math

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

1. Solve for the indicated letter
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]

4. Graph the equation and identify the y-intercept
Y+x = -2

5. Solve by the elimination method
10x + 12y=6

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

7. Graph the equation

8. -5≤3x-4≤-3

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

10. Solve -0,2x<-12
I think this is {x|-11.8}

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

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

15. Find the slope and the y-intercept

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

19. Graph the system of inequalities
Y=9/7 x+6

20. Solve by the elimination method

21. Simplify

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

27. Use the distributive property to help you solve the equation.
3(w-5) = -15

28. Solve then graph
Choose the correct solution

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. Donít forget to perform a check.

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 Ė 2X +4

36.Solve using the multiplication principle. Donít forget to perform a check.

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