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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