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$5.00 Equations

• From Mathematics: Algebra
• Closed, but you can still post tutorials
• Due on Jun. 27, 2009
• Asked on Jun. 24, 2009 at 10:13:12AM

Q:

I am needing someone to help me with some algerbra. I am needing for you to show your work so I can see how you got the answer. This was a test that I took and I did not do very well on it.

1. Find an equation of the line having the given slope and containing the given point.
M= -4, (3,0)
The equation of the line y =

2. Determine whether the graphs of the two lines are parallel.
Y + 2 = 9x
3x – y = -2
Yes or No

3. Plot f(x) = 2x -7 on a graph.


4. The function W (d) = 0.112d approximates the amount in centimeters of water that result from d cm of snow melting. Find the amount of water that result from snow melting from depths of 12 cm, 35 cm, and 96 cm.

5. Solve f(-2)=?

What is the domain?
Find all x values such that F (x) = -1. X=?

6. Find the slope intercept equation of the line that has the given characteristics. Slope 9.8 and y intercept (0,-3)
The slope intercept equation y = ?

7. Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y=mx+b
(-9.7); 6x=5y+2
The equation of the line is y =?

8. Find the slope and the y intercept of the line.
9x=4y+8
The slope is ?
The y intercept is (0, ?)

9. Find an equation of the line containing the given points. Express your answer in the form x=a, y=b, or y=mx+b.
(-2,-2) and (5,5)
What is an equation of the line y = ?

10. Find the slope if it exists of the line containing the pair of points. (1,6) and (3,-8)
The slope m= ?

11. Graph the equation by plotting points.
Y=-6

12. Graph the equation using the slope and the y intercept.
Y= -5/4x-6

13. In 1920 the record for a certain race was 46.9 sec. In 1970 it was 45.9 sec.
Let R(t) = the record in the race and t = the number of years since 1920.
Round to the nearest hundreadth
A) Find a linear function that fits the data.
B) B) Use the function in A) to predict the record in 2003 and in 2006
C) Find the year when the record will be 45.14 sec.

14. Find the intercept and then use them to graph the equation.
Y= -5-5x

15. Determine whether the graphs of the equation are perpendicular.
4x -9y=2
4y -9x =3
Yes or no

19. Find the domain
P(x) = x to the second power + 8
Which is correct?
A. X is a real number and x>0
B. X is a real number and x is equal or same as 0
C. X is a real number and x is equal to or the same as 8
D. X is a real number







20. Find the function value.
F(x)= x to the third power.
F(1)= ?

21. Find the slope and the y intercept of the line.

Y= -1/9x – 6/5

The slope is ?
The y intercept is (0,?)

Given the function f described by f(x) = x + 2 find each of the following.
F(0)=
F(-17)=
F(-16)
F(14)
F(x+19) =

 

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