Determine whether the expression is a polynomial. If the expression is a polynomial, state whether it is a monomial, binomial, or trinomial. If the expression is not a polynomial, indicate why not.8yz - 2z2
A. not polynomial, first term contains 2 different variables y and z
B. trinomial
C. binomial
D. monomial
Answer: C
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Choose the polar equation that matches the graph.
A. r = sin 2? + sin2 3? B. r = cos 2? + cos2 3? C. r = sin 3? + sin2 2? D. r = cos 3? + cos2 2?
Answer the question about percent. Round to the nearest whole number where necessary.96 is 60% of what number?
A. 160 B. 58 C. 16 D. 1600
Solve the problem.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 75 seconds with an average speed of 4 feet per second. Find the average speed of the swimmer if it takes him 60 seconds to finish the race.
A. 7 ft/sec B. 6 ft/sec C. 4 ft/sec D. 5 ft/sec
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
(
- 
)
A. 
- 
B. 
C. 3
+ 3
D. 12