eliassaab
Name:
Elias Saab
School:
University of Missouri Columbia
About:
I am a retired University Math Professor and I joined to help the students with their questions.
You can see many interactive online tests that I wrote om http://saab.org
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Questions Answered
cygalvan:
Group Title
Write the standard form of the equation of the circle with the given characteristics. Center: (0, 0); radius: 5
updated 18 days ago
2 replies
No Medals Yet
Mathematics
eliassaab:
Group Title
Find the volume of the intersection of the two cylinders
\[x^2 + z^2 =9 \\
and\\…
updated 2 months ago
4 replies
No Medals Yet
Mathematics
hhannahclaire:
Group Title
What are the coordinates of the vertex for f(x) = 3x2 + 6x + 3?
updated 2 months ago
2 replies
No Medals Yet
Mathematics
beingaghost:
Group Title
If the common difference in an arithmetic sequence is 4, and the 20th term is 36, what is the first term?
A.
–40
…
updated 2 months ago
3 replies
No Medals Yet
Mathematics
Abmon98:
Group Title
integrate with respect to x
(e^x-e^-x)^2
…
updated 2 months ago
6 replies
3 Medals
Mathematics
JackyRadii:
Group Title
Determine two pairs of polar coordinates for the point (3, -3) with 0° ≤ θ < 360°.
updated 2 months ago
15 replies
1 Medal
Mathematics
KatKatJV:
Group Title
What is the vertex and x-intercepts of y=(x+4)(x-2) ?
updated 2 months ago
4 replies
No Medals Yet
Mathematics
JackyRadii:
Group Title
Find the standard form of the equation of the parabola with a focus at (0, -2) and a directrix at y = 2
updated 2 months ago
32 replies
3 Medals
Mathematics
DEEISME:
Group Title
HELP! If A = (1, 1) B = (3, 3) and C = (5, 1), classify the the following triangle as either equilateral or isosceles. Type the word equilat…
updated 2 months ago
12 replies
No Medals Yet
Mathematics
eliassaab:
Group Title
For every integer \( n\ge 0\), show that
\[ n^5 -n \] is divisible by 5.
This problem is a tutorial about induction. Notice that the state…
updated 2 months ago
4 replies
3 Medals
Mathematics
fbarulli:
Group Title
determine the limit of the sequence if convergent.
An= (1+(2/n))^n
…
updated 3 months ago
8 replies
3 Medals
Mathematics
linb:
Group Title
polynomial division
(x^5-x^4+x^3+2x^2-x+4)/(x^3+1)
updated 3 months ago
1 reply
No Medals Yet
Mathematics
DW101796:
Group Title
What is the 41st term of the arithmetic sequence where a base(1) = 16 and a base(15) = -40 ?
updated 3 months ago
3 replies
1 Medal
Mathematics
mcgov95:
Group Title
The diagonals of a parallelogram have lengths 8 and 14 and they meet at a 60 degree angle. Find the area and the perimeter of the parallelog…
updated 3 months ago
4 replies
No Medals Yet
Mathematics
student1988:
Group Title
from 1 to 9
1/(x-9)^1/3
Determine whether the integral is convergent or divergent.
updated 3 months ago
20 replies
1 Medal
Mathematics
Sunshine447:
Group Title
Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form…
updated 3 months ago
6 replies
3 Medals
Mathematics
ofebsim:
Group Title
(sin Θ − cos Θ)^2 + (sin Θ + cos Θ)^2
updated 3 months ago
15 replies
3 Medals
Mathematics
davidza6496:
Group Title
What is the exact value of cos(7π/12)+cos(π/ 12)?
0
…
updated 3 months ago
7 replies
2 Medals
Mathematics
zzr0ck3r:
Group Title
\(l^2:= \{x=(x_1,x_2,...) \ | \ \sum_{n=1}^\infty |x_n|^2 < \infty, \ x_n \in \mathbb{R} \ \text{for} \ n\in \mathbb{N}\}\)
and \(\langle x…
updated 3 months ago
5 replies
1 Medal
Mathematics
sugahead12:
Group Title
@ganeshie8 The equation x2 + y2 − 2x + 2y − 1 = 0 is the general form of the equation of a circle. What is the standard form of the equation…
updated 3 months ago
5 replies
1 Medal
Mathematics
Power2Knowledge:
Group Title
Solve for the roots in the following equation. Hint: Factor both quadratic expressions.
(x^4 + 5x^2 - 36)(2x^2 + 9x - 5) = 0
…
updated 3 months ago
3 replies
No Medals Yet
Mathematics
christine.joy:
Group Title
Two jars of different brand of strawberry jam stand on a shelf in a supermarket. the taller jar is twice the height of the other jar, but it…
updated 4 months ago
7 replies
1 Medal
Mathematics
AP_Calculus:
Group Title
Use the derivative to show why f(x)=the integral of 1/square root of (4+e^t) from 0 to ln(x) has an inverse function?
updated 4 months ago
17 replies
5 Medals
Mathematics
asapbleh:
Group Title
Determine a power series representation for f(x)=4/(1+x^2) using the "pseudogeometric" approach; also determine the interval of convergence.
updated 4 months ago
3 replies
No Medals Yet
Mathematics
Eurosmiley:
Group Title
Find the exact value of each expression.
sin 36° cos 9° + cos 36° sin 9°
updated 4 months ago
4 replies
No Medals Yet
Mathematics
SOKE503:
Group Title
Help! I must solve sin(3ø+π/18)=1
ø is theta
updated 4 months ago
7 replies
No Medals Yet
Mathematics
Abiilovee911:
Group Title
In what direction does the graph of y = x2 -8x + 16 open?
A. Opens up
B. Opens down
…
updated 4 months ago
3 replies
1 Medal
Mathematics
crobie:
Group Title
find the relative extrema and saddle point of f(x) =(x^2 + 4y^2)e^(1-x^2-y^2)
updated 4 months ago
3 replies
1 Medal
Mathematics
sourwing:
Group Title
Write the definition of the following statement about sets?
{n^2 + n + 1: n∈ℕ } ⊆ {2n + 1 : n∈ℕ }
…
updated 4 months ago
8 replies
3 Medals
Mathematics
mony01:
Group Title
Test the convergence of the series using root test
updated 4 months ago
2 replies
2 Medals
Mathematics
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