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philips13
 2 years ago
Best ResponseYou've already chosen the best response.1looks like the quadratic equation might help here

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2r^2 +3r 8 =0 a=1 b=3 c=8 Use the quadratic formula to get your answer(s) for x.

kevin8374
 2 years ago
Best ResponseYou've already chosen the best response.0The quadratic equation is where my problem lies

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2Do you know what the quadratic formula is?

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2((1) +/ sqrt ((3)^2(4)(1)(8)))/((2)(1))

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2(1 +/ sqrt (41))/2 ***THAT MEANS*** x = (1 + sqrt(41))/2 x = (1  sqrt(41))/2

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2This is what you do whenever factoring is impossible.

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2Or if you're too lazy to factor :)... like I usually am LOL

kevin8374
 2 years ago
Best ResponseYou've already chosen the best response.0so how would i put x^2+7x=10 into the quadratic equation

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2Okay so your format is going to be ax^2+bx+c So with x^2+7x=10, you always always always get everything on the left side. You're setting it equal to zero. x^2+7x10=0 Now what are a, b, and c?

kevin8374
 2 years ago
Best ResponseYou've already chosen the best response.0sorry typed problem wrong x^2+7x10=0

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2k... so what do you think a, b, and c are?

kevin8374
 2 years ago
Best ResponseYou've already chosen the best response.0a is 1 b is 7 c is 10

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2I'll ask you one now. x^2+2x+3 What is "a" in this case?

kevin8374
 2 years ago
Best ResponseYou've already chosen the best response.0my problem is keeping it all in order

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2Now if there's a term, say b=2 and you need to plug it into your formula, the first thing you're putting in is b. So how to do that: (2). So that will be a +2.

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2I understand. And I would recommend to do the problem in as many steps as you need to. And to slow down and pay close attention. I took an engineering problems course last quarter and I made a lot of mistakes when I didn't pay attention :)

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2You can try that problem and we'll compare answers if you want.

kevin8374
 2 years ago
Best ResponseYou've already chosen the best response.0ok is it 7+√89/2,7√89/2

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2That's what I got too. You know what you're doing!

kevin8374
 2 years ago
Best ResponseYou've already chosen the best response.0You have no idea how much you have helped me thanks again!!!!!

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2I'm glad :) So step 1: Get everything on the left side so that it's set equal to zero. step 2: write down what your a, b, and c values are step 3: plug in to the formula and go slow

kevin8374
 2 years ago
Best ResponseYou've already chosen the best response.0I truly cannot thank you enough I have been struggling for days

brinethery
 2 years ago
Best ResponseYou've already chosen the best response.2I would recommend Paul's online notes as an alternative to your book. Most algebra books truly suck. http://tutorial.math.lamar.edu/Classes/Alg/SolveQuadraticEqnsII.aspx
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