Solve the problem.Evaluate 
by expanding across the third row. Show all your work.A = 
What will be an ideal response?
Answers may vary. One possible solution follows.
= 0
- 4
+ 0
+ 1
= -4
+ 1
= -4
+ 1
= -4
+ 1
= 346
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Find the equation of the parabola corresponding to the given information.The parabola has focus ( 4 , 0 ) and directrix x = -4.
A. y = x2
B. x = y2
C. x = 
y2
D. x = - 
y2
Multiply.(ab + 12)(ab - 12)
A. a2b2 + 24ab - 144 B. a2b2 - 144 C. a2b2 - 24 D. a2b2 - 24ab - 144
Graph the polynomial function. f(x) = -x2(x + 1)(x + 4)
A. 
B. 
C. 
D. 
One way to weigh a very light object is to weigh a large number of the items and then divide to find the weight of one item. Before dividing, the weight of the packaging must be subtracted to find the net weight. Complete the table below. 
?
A. Net weight: 1933 g
Weight of one item in grams: 1994 g
Weight of one item in milligrams: 3834.62 mg
B. Net weight: 1872 g
Weight of one item in grams: 3.7 g
Weight of one item in milligrams: 3717.31 mg
C. Net weight: 132.3 g
Weight of one item in grams: 0.25 g
Weight of one item in milligrams: 254.4 mg
D.
| Net weight: 1872 g |
Weight of one item in milligrams: 3600 mg