SOLUTION: Using the discriminant, determine the number of x-intercepts the graph of the equation will have. Do not graph the equation. y = x^2 - 4x + 3

Algebra ->  Linear-equations -> SOLUTION: Using the discriminant, determine the number of x-intercepts the graph of the equation will have. Do not graph the equation. y = x^2 - 4x + 3      Log On


   



Question 247386: Using the discriminant, determine the number of x-intercepts the graph of the equation will have. Do not graph the equation.
y = x^2 - 4x + 3

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
y = x^2 - 4x + 3
[b^2-4ac] is the determinate of a quadratic equation.
-4^2-4*1*3
16-12=4
4>0 therefore there are 2 real number solutions & they are rational numbers because 4 is a perfect square.