Friday

October 21, 2016
Total # Posts: 6

**math**

for the given equation, list the intercepts and test for symmetry. y=x^2-x-20 Can someone please help me?

*September 10, 2012*

**Intermediate Algebra**

Rewrite with positive exponents assume that even roots are nonegative and that all demonintors are nonzero. (6xy) -3 --- 4 The parenthesis is supoose to be around the line as well as the four. I just don't know how to make my computer do that. This is what I get. Can some ...

*June 19, 2012*

**Intermediate Algebra**

2x+2y=20 2x-2y=4 _________ 4y= 16 y=16 2x+2(40)=20 2x+8=20 2x=12 x=6 (x,y)= (6,4) Is this correct???

*June 18, 2012*

**Intermediate Algebra**

Solve using elimination method. If the system has no system or infinite number of solutions, state this. Please show all work. I need to show how I came about my answer. I need this as soon as possible please. I would appreciate any and all help!! 2x+2y=20 2x-2y=4

*June 18, 2012*

**Intermediate Algebra**

solve equation (x+1)(x-2)=54 Eric stated that the solution would be (x+1)=54==> x=53 or (x-2)=54==> x=56 However at least one of these solutions fails to work when substituted back in the orginial equation. Why is that? Please help Eric to understand better, solve the ...

*June 18, 2012*

**Intermediate Algebra**

Rewrite with positive exponents assume that even roots are nonegative quantitives and that all demoninators are nonzeros. (6xy/y)-3

*June 13, 2012*

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