25
Part of 2021 AMC 10 Fall
Problems(2)
Disrespectful Polynomials
Source: 2021 November AMC 10A #25/ 12A #23
11/11/2021
A quadratic polynomial with real coefficients and leading coefficient is called disrespectful if the equation is satisfied by exactly three real numbers. Among all the disrespectful quadratic polynomials, there is a unique such polynomial for which the sum of the roots is maximized. What is
AMC 10algebrapolynomial
#25 geo :cries:
Source: 2021 Fall AMC 10B #25
11/17/2021
A rectangle with side lengths and a square with side length and a rectangle are inscribed inside a larger square as shown. The sum of all possible values for the area of can be written in the form , where and are relatively prime positive integers. What is [asy]
size(8cm);
draw((0,0)--(10,0));
draw((0,0)--(0,10));
draw((10,0)--(10,10));
draw((0,10)--(10,10));
draw((1,6)--(0,9));
draw((0,9)--(3,10));
draw((3,10)--(4,7));
draw((4,7)--(1,6));
draw((0,3)--(1,6));
draw((1,6)--(10,3));
draw((10,3)--(9,0));
draw((9,0)--(0,3));
draw((6,13/3)--(10,22/3));
draw((10,22/3)--(8,10));
draw((8,10)--(4,7));
draw((4,7)--(6,13/3));
label("",(9/2,3/2),N);
label("",(11/2,9/2),S);
label("",(1/2,9/2),E);
label("",(19/2,3/2),W);
label("",(1/2,15/2),E);
label("",(3/2,19/2),S);
label("",(5/2,13/2),N);
label("",(7/2,17/2),W);
label("",(7,43/6),W);
[/asy]
AMCAMC 10AMC 10 Bgeometryrectangle