Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x + 13)(x - 13)
A. x2 - 169
B. x2 - 26
C. x2 + 26x - 169
D. x2 - 26x - 169
Answer: A
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Solve the problem.The driver of a car traveling at 36 ft/sec suddenly applies the brakes. The position of the car is 
t seconds after the driver applies the brakes. How far does the car go before coming to a stop?
A. 216 ft B. 432 ft C. 108 ft D. 6 ft
Find the standard form of the equation for the ellipse satisfying the given conditions. Center (0, 0); vertices (±8, 0); c = 4
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Find the slope of the line, if it is defined.Through the origin and (-7, -7)
A. 7 B. -7 C. 1 D. -1
Solve the problem.For a culture of 80,000 bacteria of a certain strain, the number of bacteria N that will survive x hours is modeled by the formula N = 8000
. After how many hours will 16,000 bacteria survive?
A. 4 hr B. 96 hr C. 84 hr D. 98 hr