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 Kevin Lee
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 Stuyvesant High School
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Group Title
What is the xcoordinate of the point on the graph of the equation y=2x+3 which is closest to the point (5,0)?
 updated 6 months ago
 44 replies
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Mathematics

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What will the remainder be when P(x)=x^13+4x^73x+2?
How can I do this without dividing everything out?
 updated 6 months ago
 7 replies
 1 Medal
Mathematics

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Group Title
Find roots of the equation.
 updated 6 months ago
 11 replies
 2 Medals
Mathematics

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Group Title
Can someone explain why an infinite series won't change even if you add another term of the sequence to the end of it?
 updated 6 months ago
 13 replies
 1 Medal
Mathematics

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Geometric Sequences
 updated 6 months ago
 15 replies
 1 Medal
Mathematics

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Sequences
 updated 6 months ago
 6 replies
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Mathematics

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Show that n^3>(N+1)^2 for all natural numbers n>=3.
 updated 7 months ago
 26 replies
 3 Medals
Mathematics

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Prove the identity: 4k^3+15k^2+17k+6=(k+1)(k+2)(4k+3) using the left side.
 updated 7 months ago
 1 reply
 1 Medal
Mathematics

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Prove the identity: 4k^3+3k^2+11k+9=(k+1)(k+2)(4k+3)
 updated 7 months ago
 3 replies
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Mathematics

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Find k and the roots:
The sum of 2 roots of 3x^3+kx^23x+12 is 0
 updated 8 months ago
 2 replies
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Mathematics

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Find the contact force
a. between boxes 1 and 2
b. between boxes 2 and 3
 updated 8 months ago
 1 reply
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Mathematics

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One root of the equation x^2+kx+2k=0 (k!=0) is twice the other. Find k and find the roots of the equation.
 updated 8 months ago
 9 replies
 1 Medal
Mathematics

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Group Title
A diver runs horizontally off the end of a diving board with an initial speed of 1.75m/s. If the diving board is 3.00m above the water, what…
 updated 9 months ago
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Mathematics

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Find a quadratic function that has zeroes 4 and 9 and a graph that passes through (3,5).
 updated 9 months ago
 5 replies
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Mathematics

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Find the inverse of y=x^2+4x+8 if x>2
 updated 9 months ago
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Mathematics

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a sailboat runs before the wind with a constant speed of 2.8m/s in a direction of 52 degrees north of west. How far (a)west and (b)north has…
 updated 9 months ago
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Mathematics

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(x^8+x^6)/(x1)
Is there an easier way to find the remainder without dividing it out?
 updated 9 months ago
 21 replies
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Mathematics

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Use the remainder theorem to evaluate f(x) for the given value x. 6x^36x^2+x5; x=3
 updated 9 months ago
 4 replies
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Mathematics

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A computer can perform c calculations in s seconds. How many minutes will it take the computer to perform k calculations?
Just explain it s…
 updated 9 months ago
 5 replies
 1 Medal
Mathematics

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Assume that f and g are inverse functions. if g(2)=0, what is f(0)?
 updated 10 months ago
 7 replies
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Mathematics

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Scores on an exam are normally distributed with a standard deviation of 40 points. If a score of 552 place you exactly at the first quartile…
 updated 10 months ago
 10 replies
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Mathematics

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A particle is accelerated uniformly from rest to a speed of 50m/s in 5 seconds. The average speed of the particle during this 5sec time inte…
 updated 10 months ago
 6 replies
 1 Medal
Mathematics

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Group Title
In a 4.0km race, a runner conpletes the first km in 5.0m, the 2nd km in 6.2, the 3rd km in 6.3min, and the final km in 6.0 min. What was the…
 updated 10 months ago
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Mathematics

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Assume male shoe sizes have a mean of size 10 and standard deviation of 2. At least what % of the population have shoe sizes between 7 to 13…
 updated 10 months ago
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Mathematics

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As a train accelerates away from a station, it reaches a speed of 5.2m/s in 5.0s. If the train's acceleration remains constant, what is the …
 updated 10 months ago
 11 replies
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Mathematics

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A car is traveling due north at 20.7 m/s. Find the velocity of the car after 7.50s if its acceleration is
a. 1.60 m/s^2 due north
b. 1.95…
 updated 10 months ago
 5 replies
 2 Medals
Mathematics

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Change to standard circle form: 3x^2+3y^2+5x4y=1
 updated 10 months ago
 10 replies
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Mathematics

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Find the x and y intercept of the circle x^210x+y^2+2x=17
 updated 10 months ago
 24 replies
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Mathematics

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In the figure, PQRS and LMNO are squares with areas 64 and 16, respectively. TSML is a rectangle with area 48. What is the area of SRJM?
 updated 11 months ago
 7 replies
 1 Medal
Mathematics

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Group Title
In rectangle TQRS, length of QR is 12 and ST is extended to point P. If the area of triangle PQT is 1/3 the area of rectangle TQRS, what is …
 updated one year ago
 3 replies
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Mathematics
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