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Mathematics 15 Online
OpenStudy (anonymous):

Can someone help me understand this? Will fan and medal.

OpenStudy (quin100):

with what?

OpenStudy (anonymous):

Create two radical equations: one that has an extraneous solution, and one that does not have an extraneous solution. Use the equation below as a model. Use a constant in place of each variable a, b, c, and d. You can use positive and negative constants in your equation. Part 2. Show your work in solving the equation. Include the work to check your solution and show that your solution is extraneous. Part 3. Explain why the first equation has an extraneous solution and the second does not.

OpenStudy (anonymous):

OpenStudy (quin100):

one min im doing the work right know

OpenStudy (anonymous):

I'm struggling the most with the extraneous function bit

OpenStudy (quin100):

oh ok just a sec sorry

OpenStudy (anonymous):

totally fine. I'm grateful for whatever help I can get, take your time.

OpenStudy (quin100):

so what part do you need help on do you have any of it done yet?

OpenStudy (anonymous):

I think I've made a correct function for the non extraneous part.

OpenStudy (anonymous):

\[4\sqrt{x}+2+3=13 \] x=4

OpenStudy (quin100):

Ok great

OpenStudy (anonymous):

how do I write the extraneous part?

OpenStudy (quin100):

for the other one all you need to do is y = xx y + x = 1482 xx + x = 1482 xx + x - 1482 = 0 does it make sence

OpenStudy (quin100):

?

OpenStudy (anonymous):

how did you get 1482?

OpenStudy (quin100):

y = 38 times 38 ok

OpenStudy (quin100):

because there is two x's then you just times 38 by 2 does that make sence?

OpenStudy (anonymous):

where did 38 come from? Sorry I'm really bad at math.

OpenStudy (quin100):

I might be making it hard for you i will try and do a easier one if u want me to

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

It doesn't matter what the equation is as long as it fits the sample

OpenStudy (quin100):

ok here is an easier one i will draw it out will that help you?

OpenStudy (anonymous):

yes

OpenStudy (quin100):

|dw:1417555724016:dw|

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