Solve the equation.
- 8 = 
A. ?
B.
C.
D.
Answer: B
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Factor the expression completely, if possible.9y2 - 32y + 25
A. (3y + 5)2 B. (3y - 5)(3y + 5) C. (3y - 5)2 D. Does not factor
Simplify.
A. -2
B. 2
C. 3
D.
Solve the problem.Find the perimeter of the triangle in the figure.7
km
A. 11 km
B. 16 km
C. 16 km
D. 16 km
Solve the problem involving modeling with polynomial functions.For this problem, y-values correspond to the number of students at School X over the years 1990 (x = 0), through 1994 (x = 4). (a) Use the data given in the table below to determine a cubic (third-degree) polynomial model. (b) Based on the cubic model, how many students were at School X in 1992?
A. (a) y ? -57.1x3 + 405x2 + 239.1
x + 2902;
(b) 5721 students
B. (a) y ? -57.1x3 + 405x2 + 239.1
x + 2902;
(b) 4543 students
C. (a) y ? 118.5x3 - 824.x2 + 2347.1
x + 2902;
(b) 5246 students
D. (a) y ? -57.1x3 + 405x2 + 239.1
x + 2902;
(b) 2902 students