endevina

Mou els punts lliscants o mou la recta fins 
que

esdevingui el pendent de la recta

Mou el punt lliscant o mou la recta fins
que    

b

sigui l'ordenada a l'origen

 \frac{ c }{d } 

Ordenada a l'origen correcta

Pendent correcte

A = Point(yAxis)
B = (9, 7)
re = Line(A, B)
c = 3 (slider from -10 to 10, step 1)
d = 4 (slider from 1 to 10, step 1)
C = (4, -4)
D = (6.5, 8)
E = If(Slope[re] ≟ c / d, D)
b = 2 (slider from -10 to 12, step 1)
F: (-7.8, b + 0.4)
G = If(b ≟ y(A), F)
P: (d, y(A))
Q: (d, y(A) + c)
R, q, a, p = Polygon(A, P, Q)
b_1 = Slope(re)
M: (0, b)
m = Segment((0, 0), M)
T9: "\frac{c}{d}  =  \frac{" + c + "}{" + d + "}"