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co1inqiu
Username
co1inqiu
Score
33
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Questions
8
Answers
0
8 Questions
0 Answers
0
24
1
+33
Geometry
In the diagram, AD bisects BAC.
By adding one more condition, we can prove that triangles ABD and ACD are congruent. Which one of the following could be that condition? Select all that apply.
(a) BC
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co1inqiu
Dec 18, 2025
0
24
1
+33
Geometry
Select the two triangles that must be congruent.
ABC
DEF
GHI
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co1inqiu
Dec 18, 2025
0
24
1
+33
Geometry
What kind of quadrilateral has the property that both pairs of opposite sides are parallel? Select all that apply.
What kind of quadrilateral has the property that all four sides are equal in length? Select all that apply.
What
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co1inqiu
Dec 18, 2025
0
38
0
+33
Algebra
Find
\sum_{k = 1}^{20} k(k^2 - 10k - 20)(k^2 + 1)
co1inqiu
Mar 7, 2025
0
40
0
+33
Algebra
Let t be a root of f(x) = x^3 - x + 3. Evaluate t^6 - 4t^5 + 7t^4 - 3t^2 + 10t - 13.
co1inqiu
Mar 4, 2025
+1
27
1
+33
Algebra
Let r, s, and t be solutions of the equation x^3 - 4x^2 - 7x + 12 = 0. Compute
\frac{rs}{t^2} + \frac{rt}{s^2} + \frac{st}{r^2}
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co1inqiu
Mar 4, 2025
0
29
0
+33
Algebra
Let r, s, and t be solutions of the equation x^3 + 2x^2 - 5x + 15 = 0. Compute
\frac{1}{r - 2s - 2t} + \frac{1}{s - 2r - 2t} + \frac{1}{t - 2r - 2s}
co1inqiu
Mar 4, 2025
0
23
1
+33
Algebra
Suppose r and s are the values of x that satisfy the equation
x^2 - 2mx + (m^2 - 6m + 11) = 0
for some real number m. Find the minimum real value of (r - s)^2.
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co1inqiu
Mar 4, 2025