ax^2 + bx + c  

a =

b =

c =

Show Polynomial

Show Zeroes

Shankar Biswas
CC BY SA

a = 0.3 (slider from -10 to 15, step 0.1)
b = 0.8 (slider from -10 to 15, step 0.1)
c = -2.6 (slider from -10 to 15, step 0.1)
f: y = (a * x^(2)) + (b * x) + c
D: b^(2) - ((4 * a) * c)
SQD: sqrt(D)
α: ((-b) + SQD) / ((2 * a))
β: ((-b) - SQD) / ((2 * a))
text3: "a =  " + a + ",  b  = " + b + ",  c  =  " + c + ""
A = Intersect(f, xAxis, 2)
B = Intersect(f, xAxis, 1)
InputBox1 = Textfield(a)
InputBox2 = Textfield(b)
InputBox3 = Textfield(c)
d = true
e = true
text2: "D = (b^2 - 4ac) = " + (LaTeX[b]) + "^2 - 4(" + (LaTeX[a]) + ")(" + (LaTeX[c]) + ") = " + (LaTeX[D]) + ""
text4: "α = \frac{( - b + √D) }{2a} = ( - (- " + (LaTeX[b]) + ") + " + (LaTeX[SQD]) + ")/2(" + (LaTeX[a]) + ") =  " + (LaTeX[α]) + ""
text5: "β = \frac{( - b - √D) }{2a} = ( - (" + (LaTeX[b]) + ") - " + (LaTeX[SQD]) + ")/ 2(" + (LaTeX[a]) + ") = " + (LaTeX[β]) + ""
text6: "A ( " + β + ", 0) and B ( " + α + ", 0) represents the zeroes."