Wednesday

April 23, 2014

April 23, 2014

Posted by **Kristine** on Friday, March 22, 2013 at 8:53pm.

Which model is most appropriate for the data set?

(-1,20),(0,10),(1,5),(2,20)

And

How many real-number solutions does the equation have?

-8x^2-8x-2=0

Thanks for the help

- algebra -
**bobpursley**, Friday, March 22, 2013 at 8:58pmon the first sets, each increase in x results in y being increased by 5 (assuming you have a typo in the third set, and it should read (1,15). So linear.

divide by 2

1+4x+4x^2=0

(1+2x)^2=0

x= -1/2, -1/2 so one real solution.

- algebra -
**Kristine**, Friday, March 22, 2013 at 10:22pmNope no typo on the third it is 20. Thanks Bob

- algebra -
**Kristine**, Friday, March 22, 2013 at 10:23pmSorry it is 1,5

**Related Questions**

Music - I have a couple of questions... 1. I have to transpose a musical piece ...

To Derr - You have made a couple of uncalled for comments to a couple of ...

APA Format - Hi i have a couple of dumb questions :) I know the good websites ...

Algebra 1B - This Question is in multiple sections. f(x)= -2x^2+2x+10 is the ...

math - I am answering questions concerning equity, the problem is a story ...

To joejoe ... - ... or brxce or christian or whoever, We have temporarily ...

Math - I have a couple of questions, I was wondering if you could help me. ...

algebra - hey i need some help with a couple of questions please..... change all...

sience - a couple has just learned that their daughter has hemophilia. they ...

english - for the article "DON'T LEAVE ME HERE TO DIE" i need to ask tought ...