Use the quadratic formula to find the exact solutions.5t2 - 7t = 1
A. 
B. 
± 
i
C. - 
± 
i
D. 
Answer: D
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Solve the problem.A computer compiles a program in 0.000928 seconds. Write this time in scientific notation.
A. 9.28 × 10-6 sec B. 9.28 × 10-4 sec C. 9.28 × 103 sec D. 9.28 × 10-5 sec
Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions.s2 + 7s - 8 = 0
A. Two different imaginary solutions B. Two different irrational solutions C. Exactly one rational solution D. Two different rational solutions
For the given amounts A and B, find the requested percent of change. Round to the nearest whole percent if necessary.A = $500, B = $575
Find the percent change if A changes to B.
A. 13% B. 85% C. 87% D. 15%
Solve the problem.The territorial area of an animal is defined to be its defended region, or exclusive region. For example, a rhinoceros has a certain region over which it is ruler. The area T of that region, in acres, can be approximated by the function T = W1.19,where W is the weight of the animal, in tons. Find the approximate territorial area of a rhinoceros who weights 3.3 tons. Round to the nearest hundredth.
A. 1.78 acres B. 4.14 acres C. 0.24 acres D. 0.56 acres