Mathematics, 30.07.2019 05:10 MayFlowers
Use the quadratic polynomial 12x2+5xβ2 to answer the questions.
a: which summary correctly applies the fundamental theorem to the quadratic polynomial?
b: which statement correctly verifies the application of the fundamental theorem of algebra?
select one answer for question a, and select one answer for question
b.
a: this polynomial has a degree of 2 , so the equation 12x2+5xβ2=0 has exactly two roots.
a: this polynomial has a degree of 2 , so the equation 12x2+5xβ2=0 has two or fewer roots.
a: this polynomial has a degree of 2 , so the equation 12x2+5xβ2=0 has more than two roots.
b: the quadratic equation 12x2+5xβ2=0 has two real solutions, x=β23 or x=14 , and therefore has two real roots.
b: the quadratic equation 12x2+5xβ2=0 has one real solution, x=β14 , and therefore has one real root with a multiplicity of 2 .
b: the quadratic equation 12x2+5xβ2=0 has two real solutions, x=23 or x=β14 , and therefore has two real roots.
Answers: 2
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Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
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Use the quadratic polynomial 12x2+5xβ2 to answer the questions.
a: which summary correctly a...
a: which summary correctly a...
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