Reference no: EM13535655
4. Solve by completing the square.
x2 + 2x – 8 = 0
A) –4, –2 B) –4, 2 C) 4, –2 D) 4, 2
9. Is the following trinomial a perfect square?
x2 + 18x + 81
A) No B) Yes
10. The demand and supply equations for a certain item are given by
D = –5p + 40
S = –p2 + 30p – 8
Find the equilibrium price.
A) $1.57 B) $1.71 C) $1.43 D) $1.29
14. Solve. x2 + 16x + 60 = 0
A) –6, 10 B) 6, –10 C) –6, –10 D) 6, 10
19. Solve. (x + 4)2 = 4
20. Find the axis of symmetry.
y = –x2 – 10x + 7
22. Solve by using the quadratic formula. 5x2 – 4x + 1 = 0
23. Solve by completing the square.
4x2 + 2x – 3 = 0
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If you make decision by maximizing the expected
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What is the minimum required annual saveings in labor from
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Solve by using the quadratic formula
: Solve by using the quadratic formula. 5x2 – 4x + 1 = 0
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Draw a graph of the feasible region
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Find the number of miles in each route
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Write a system of inequalities representing
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