Solve the equation by making an appropriate substitution.2x1/2 - 5x1/4 - 12 = 0
A. {-4, -3}
B. {256}
C. 
D. 
Answer: B
Mathematics
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Express the given expression in simplest form with only positive exponents.59? 5-2
A. 52 B. 59 C. 55 D. 57
Mathematics
Find the foci of the given hyperbola.
- 
= 1
A. (0, - 
) , (0, 
)
B. (-11, 0), (11, 0)
C. (- 
, 0) , (
, 0)
D. (0, -5), (0, 5)
Mathematics
Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.54
A. whole, rational, real B. integer, rational, real C. natural, whole, integer, rational, real D. real
Mathematics
Use a graphing utility to find or approximate solutions to the equation. If necessary, round your answers to three decimal places.3x2 + 5x - 7 = 0
A. -0.281, -1.386 B. 1.386, 0.281 C. 0.907, -2.573 D. 2.573, -0.907
Mathematics