can't you self check these by inserting the answers you got?
This is not calculus, if your teacher is teaching "calculus", ask for your money back.
Please check my answers.
Solve the following equations and/or system of equations for the unknown variables.
1. x^2-3x-12=0
x= 3 + sqrt(57) / 2, x= 3 - sqrt(57) / 2
2. x+y=8 , 3x+2y=2 x=-14, y=22
3. 3x + 2y =10 , x+y=5 , y+z =9 x=0,y=5, z=4
4. 1/x-p1z=0, 1-p2z=0, I-p1x-p2y=0
Note that p1, p2, I are constants (parameters) that should be taken as given, i.e. just solve for x,y,z
z=1/2p , x=2, y= 2p+2pI
1 answer