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Katie S.
College Sophomore with Experience Tutoring Science and More!
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Basic Math
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Question:

What is the quadratic formula, and how can it be used?

Katie S.

The quadratic formula can be used to find the x-intercepts of a complicated equation. The formula is x = (-b +/- root(b^2 - 4ac)) / (2a). a, b, and c represent the coefficients of any equation with the format ax^2 + bx + c = 0.

Chemistry
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Question:

What is the difference between fusion and fission?

Katie S.

Fusion is the nuclear process in which nuclei are fused together. In other words, smaller particles are combined to form bigger particles. Fission is the nuclear process in which a nucleus breaks apart. In other words, a big particle is broken into small pieces.

Biology
TutorMe
Question:

What do the variables in the Hardy Weinberg Equilibrium equation, p^2 + 2pq + q^2 = 1, represent?

Katie S.

p^2 represents the frequency of the genotype AA in a population, or the homozygous dominant (dominant-dominant) genotype. 2pq represents the frequency of the genotype Aa in a population, or the heterozygous (dominant-recessive) genotype. q^2 represents the frequency of the genotype aa in a population, or the homozygous recessive (recessive-recessive) genotype. Alone, p and q represent the allele frequencies. p represents the dominant allele (A) frequency, and q represents the recessive allele (a) frequency. If these allele frequencies for a population are substituted into the Hardy-Weinberg Equilibrium equation and the answer equals 1, then that means that the population is in fact in equilibrium.

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