Teht. 341

b = 3.8 (slider from -10 to 10, step 0.2)
f: y = (-2 * x) + b
A = Intersect(f, yAxis)
B = Intersect(xAxis, f)
C = Intersect(xAxis, yAxis)
k1, c, a, b_1 = Polygon(A, B, C)
Tekstik1: " " + (Name[A]) + (Name[B]) + (Name[C]) + ":n pinta-ala = " + k1
Pistek1 = PointIn(k1)
teksti1 = LaTeX(f, true, true)