Exam
Maths Puzzle
Algebra
How do you solve polynomial equations such as:
(x-3)(x-squaured+3x-4)=0
(x+2)(x-squared+5x+1)=0
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Exam Other Question
Solve for X,Y,and Z in the following systems of threme equations:
A) X+2Y+Z =6
X+Y=4
3X+Y+Z=8
B) 10X+Y+Z=12
8X+2Y+Z=11
20X-10Y-2Z=8
C) 22X+5Y+7Z=12
10X+3Y+2Z=5
9X+2Y+12Z=14
Suppose Bob owns 8,000 shares of Company X and 6000 shares of Company Y. The Total value of Bob's holdings of these two companies is $680,000.
Suppose Frank owns 2,000 shares of Company X and 10000 shares of Company Y. The Total value of Franks holdings of theses two companies is $680,000.
a. Write equations for Bob and Frank's Holdings. Use the variables X and Y to represent the values of shares of Company X and Y.
b. Solve for the value of a share of Company X and Company Y.