ECON203 JU Quadratic Equations Worksheet
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1. Solve for X Y Z when (hint: use row operation not matrices. Also, you may get negative
values and decimal points for the unknowns, it is fine.)
X + 2Y + Z = 72
4X + Y + 0.52 = 120
3X + Y + 2Z = 72
=
2. If the demand equation is provided as
p = 70 2.59
find the value of quantity (9) that makes the Total Revenue (TR) equal to 500.
=
3. Solve the quadratic equation below working with both factorization as well as the
quadratic formula.
4×2 + 12x 40 = 0
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Tags:
economics
quadratic equations
economy paper
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