help with solving questions 2 and 3
(3) ans
Given that
5x^2+3x+4=0
now we find the value of X
x=-3+[3^2-4*5*4]^1/2/2*5
=-3+(9-80)^1/2/10
=-3+8.43/10
=0.543
I need help solving the following problem. Solve the system using elimination. 2x+5y+3z = -20 3x+ 2y -4z = 4 3x -3y +2z = -20 x=_______________ y=________________ z=_________________
3. Solve the system of equations 5x + 3y + z 23 3x + 4y-z 21 4x + 5y 2z 26 4. Solve the system of equations. 4x-2y + 3z 27 5x 7y + 4z 39
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1. (10 points) Solve each of the following systems by graphing: 2x + 3y = 6 3x - 2y=6 4x=-6y +12 x-4y=-8 -6 -6 5 4 5 -4. 3. 2 3. -6 -5 4 3 2 1 1 2 3 -6 5 4 -3 -2 -1 1 21 31 4 5 6 1 4 -6 -6 2. (10 points) Solve each of the following systems: (3x - 5y = 11 2x-6y=2 y = 3x + 5 5x-2y=-7)
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