Wednesday

November 26, 2014

November 26, 2014

Posted by **Bubba** on Tuesday, August 3, 2010 at 3:43am.

3. The linear equation

represents an estimate of the average cost of gas for year x starting in 1997 (“Consumer price index,” 2006). The year 1997 would be represented by x = 1, for example, because it is the first year in the study. Similarly, 2005 would be year 9, or x = 9.

a. What year would be represented by x = 4?

b. What x-value represents the year 2018?

c. What is the slope, or rate of change, of this equation?

d. What is the y-intercept?

e. What does the y-intercept represent?

f. Assuming this growth trend continues, what will the price of gasoline be in the year 2018? How did you arrive at your answer?

4. The line

represents an estimate of the average cost of gasoline each year. The line

estimates the price of gasoline in January of each year (“Consumer price index,” 2006).

a. Do you expect the lines to be intersecting, parallel, or perpendicular? Explain your reasoning.

b. Use the equations of the lines to determine if they are parallel. What did you find?

c. Did your answer to Part b. confirm your expectation in Part a?

- algebra -
**Henry**, Thursday, August 5, 2010 at 10:03pm2. A(1997 , 1.26) , B(2006 , 2.31).

Slope = (2.31 - 1.26) / (2006 - 1997) =

1.05 / 9 = 1 1/20 / 9 = (21 /20) / 9 =

21/20 * 1/9 = 7/60.

a. X = 4, 4 = (Y - 1997) + 1

Solve for Y:

4 = Y - 1997 + 1, Y = 2000

b. X = (2018 - 1997) + 1 = 22

**Answer this Question**

**Related Questions**

math - examine the rise in gasoline prices from 1997 to 2006. the price of ...

Math116/a - 2. Examine the rise in gasoline prices from 1997 to 2006. The price...

Algebra - I am in need of some help with the following problem; Examine the rise...

MATH 116 - Examine the rise in gasoline prices from 1997 to 2006. The price of ...

alg - 2. Examine the rise in gasoline prices from 1997 to 2006. The price of ...

Algebra - Is this right?2. Examine the rise in gasoline prices from 1997 to 2006...

Algebra - Could someone point me in the right direction I think I got it if it ...

Algebra - Is this right? Examine the rise in gasoline prices from 1997 to 2006. ...

Algebra - Is this right? Examine the rise in gasoline prices from 1997 to 2006. ...

Algebra - Can somebody help me find the slope? Examine the rise in gasoline ...