SOLUTION: find y intercept and vertex: y = x^2 - 4x + 5

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Question 114970: find y intercept and vertex: y = x^2 - 4x + 5
Answer by HyperBrain(694)   (Show Source): You can put this solution on YOUR website!
To find the y-intercept. Equate x=0.
Equating,


The y-intercept is at (0,5)

To find the vertex, read my lesson---Shortcut in finding the vertex of any parabola

IF , THEN

Equating this to ZERO,



Solving for y,


Thus, the vertex is at (2,1)

GRAPH:


Power up,
HyperBrain!

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