lebronjames
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Questions Asked

lebronjames:
Find the standard form of the equation of the parabola with a focus at (4, 0) and a directrix at x = 4.
…
 updated one year ago
 No Medals Yet
Mathematics

lebronjames:
Find the vertex, focus, directrix, and focal width of the parabola.
x = 4y2
 updated one year ago
 14 replies
 No Medals Yet
Mathematics

lebronjames:
2) 1^2 + 4^2 + 7^2 + ... + (3n  2)^2 = n(6n^23n1)/2
…
 updated one year ago
 4 replies
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Mathematics

lebronjames:
Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false.
1) 4 ⋅ 6 + 5 ⋅ 7 + 6 ⋅ 8 …
 updated one year ago
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Mathematics

lebronjames:
Evaluate the expression.
r = <5, 9, 4>, v = <3, 3, 8>, w = <9, 6, 1>
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 updated one year ago
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Mathematics

lebronjames:
Given that P = (4, 11) and Q = (5, 8), find the component form and magnitude of PQ
with an arrow on top facing towards the right
 updated one year ago
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Mathematics

lebronjames:
Find the remainder when f(x) is divided by (x  k)
f(x) = 3x4 + 11x3 + 2x2  7x + 61; k = 3
 updated one year ago
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Mathematics

lebronjames:
Use the Rational Zeros Theorem to write a list of all potential rational zeros
f(x) = x3  5x2 + 8x  24
 updated one year ago
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Mathematics

lebronjames:
Use synthetic division to determine whether the number k is an upper or lower bound (as specified for the real zeros of the function f). k…
 updated one year ago
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Mathematics

lebronjames:
Find all solutions in the interval [0, 2π).
sin^2x + sin x = 0
 updated one year ago
 20 replies
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Mathematics

lebronjames:
Find all solutions to the equation.
cos x = sin x
 updated one year ago
 3 replies
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Mathematics

lebronjames:
Rewrite with only sin x and cos x.
cos 2x + sin x
 updated one year ago
 16 replies
 2 Medals
Mathematics

lebronjames:
Find all solutions to the equation.
7 sin^2x  14 sin x + 2 = 5
 updated one year ago
 16 replies
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Mathematics

lebronjames:
Find all solutions to the equation.
sin2x + sin x = 0
 updated one year ago
 10 replies
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Mathematics

lebronjames:
Use basic identities to simplify the expression cos^2x + sin^2x/cot^2x  csc^2x
 updated one year ago
 8 replies
 1 Medal
Mathematics

lebronjames:
Identify the maximum and minimum values of the function y = 3 cos x in the interval [2π, 2π
 updated one year ago
 4 replies
 1 Medal
Mathematics

lebronjames:
Find the point on the terminal side of θ = 3pi/4 that has a y coordinate of 1. Show your work for full credit.
 updated one year ago
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Mathematics

lebronjames:
Find the point on the terminal side of θ = that has a y coordinate of 1.
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 updated one year ago
 9 replies
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Mathematics

lebronjames:
Find the point on the terminal side of θ = that has a y coordinate of 1.
 updated one year ago
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Mathematics

lebronjames:
The point P(21, 28) is on the terminal side of θ. Evaluate sin θ.
 updated one year ago
 1 reply
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Mathematics

lebronjames:
Using the given zero, find one other zero of f(x).
2  4i is a zero of f(x).= x4  4x3 + 21x2  4x + 20
 updated one year ago
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Mathematics

lebronjames:
Evaluate sin 60° without using a calculator by using ratios in a reference triangle.
 updated one year ago
 4 replies
 2 Medals
Mathematics