Find the x-intercepts for the parabola whose equation is given. If the x-intercepts are irrational, round your answers to the nearest tenth.y = -x2 + 9x - 20
A. x-intercepts (4, 0) and (5, 0)
B. x-intercepts (4, 0) and (-5, 0)
C. x-intercepts (-4, 0) and (-5, 0)
D. No x-intercepts
Answer: A
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Identify the type of surface represented by the given equation.
+ 
- 
= 1
A. Elliptical cone B. Ellipsoid C. Hyperboloid of two sheets D. Hyperboloid of one sheet
Solve the problem.The population P, in thousands, of a small city is given by:P(t) = 
.where t = the time, in months. Find the growth rate.
A. P'(t) = 
B. P'(t) = 
C. P'(t) = 
D. P'(t) = 
Find the apportionment asked for.A small country consists of seven states; there are 160 seats in the legislature that need to be apportioned among the seven states; and the population of each state is shown in the table. 
Find the apportionment for state D using Jefferson's method.
A. 26 B. 25 C. 24 D. 23
Collect like terms.6a - 2a + 4
A. -4a + 4 B. 8a C. 4a + 4 D. 8a + 4