Factor completely.144x2 + 24xy + y2
A. (12x - y)2
B. (12x + y)(12x - y)
C. (x + 12y)2
D. (12x + y)2
Answer: D
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Use a tree diagram showing all possible results when a die is rolled twice. List the ways of getting the following result.The first die shows a 3.
A. (3,1),(3,2),(3,4),(3,5),(3,6) B. (3,1),(3,3),(3,5) C. (3,3) D. (3,1),(3,2),(3,3),(3,4),(3,5),(3,6)
Solve the problem.A ball is dropped from a height of 50 meters. If each bounce brings it to 90% of its previous height, how far will the ball travel before it stops?
A. 500 m B. 200 m C. 250 m D. 950 m
Solve the problem.An architecture firm purchases 5 new workstations for $4,000.00 each. The firm makes a down payment of $8,000.00 and amortizes the balance with monthly loan payments to the bank of 8% for 3 years. Use the abbreviated loan payoff table to prepare an amortization schedule showing the first 5 payments.
What will be an ideal response?
Find the center, foci, and vertices of the ellipse.25x2 + 49y2 = 1225
A. center at (0, 0)
foci at (0, -5) and (0, 5)
vertices at (0, -25), (0, 25)
B. center at (0, 0)
foci at (- 2
, 0) and (2
, 0)
vertices at (-7, 0), (7, 0)
C. center at (0, 0)
foci at (-7, 0) and (7, 0)
vertices at (-49, 0), (49, 0)
D. center at (0, 0)
foci at (0, - 2
) and (0, 2
)
vertices at (0, -7), (0, 7)