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Miriam Reynoso quantitative Alanysis test (final)

# Miriam Reynoso quantitative Alanysis test (final) - Miriam...

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Miriam Reynoso Mercy College Quantitative Analysis April 19, 2011 Solve a) 3x 2 +24x=0 (3x ) ( x + 8 ) = 0 x = 0 , x = - 8 b) (2x +3) 2 =36 4x+9=36 4x=27 X=27/4= x= 6.75 c) -3x 2 =-16 (quadratic formula) Quadratic formula: a=3, b=-16, and c=-5. where Continue below

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Continue below Solving for positive Simplified: Continue below
=5.63 Solve for negative Simplified: =-0.3 2. Solve the following system of equation using the method of your choice. a) 2x+4y=-6 2x=4y-10 x=-2y-3 2(-2y-3)=4y-10 -4y-6-4y=-10 -8y-6=-10 8y=6-10 -8y=-4 Continue below

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y= 1_ 2 x=-1 · 1-3 x=-1-3 X=-4 2. solve the following system of equation using the method of your choice a) 2x+4y=-6 2x=4y-10 x=2y-5 2(2y-5)+4y=-6 4y-10+4y=-6 8y-10=-6 8y=10-6 Continue below
8y=4 y= 12 x=-4 b) 3x-2y=10 4x-3y=15 Continue below

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Continue below
-y+40=15 .3 -y+40=45 -y=-40+45 -y=5 -y .-1=5 .-1 y=-5 X= 0 3 X=0 3. Uses matrices to solve the system of equation below Continue below

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x+2y+z=2 -2x-y+2z=5 x+3y-2z=-8 x= 1 y=-1 z=3 #4 Use the graphical method to maximize z= 2x +5y, subject to 2x+3y≤6, 4x +y≤6, x≥0 and y≥0 Y=mx+b for 2x + 3y = 6 x y 0 2 3 0 and for 4x + y = 6, x y 0 6 1.5 0
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Miriam Reynoso quantitative Alanysis test (final) - Miriam...

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