SOLUTION: use the vertex and intercepts to sketch the graph of the quadratic function f(x)= x^2 - 4x =3

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: use the vertex and intercepts to sketch the graph of the quadratic function f(x)= x^2 - 4x =3      Log On


   

Question 45889: use the vertex and intercepts to sketch the graph of the quadratic function
f(x)= x^2 - 4x =3
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29+=+x%5E2+-+4x+%2B+3
V(-b/2a,f(x))
V(2,-1)
x-intercept
0+=+x%5E2+-+4x+%2B+3
0+=+%28x+-+3%29%28x+-+1%29
x = 3 and x = 1
y-intercept
f%28x%29+=+%280%29%5E2+-+4%280%29+%2B+3
f(x) = 3
graph%28600%2C600%2C-10%2C10%2C-10%2C10%2Cx%5E2-4x%2B3%29