A few days ago
Find the x-intercepts?
1. y=x^2-3x-1
2. y=x^2-2x+4
Top 2 Answers
A few days ago
Favorite Answer
to find the x intercepts put y=0 and for the first equation you will get (3+sqrt(13))/2 and (3-sqrt13)/2. sum these two and you will get x intercept =3units.
similarly in the second one you will get x intercept=2 units (using the properties of qudratic roots)
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A few days ago
To find the x-intercept, make y=o in each equation
In the second equation, if y=o, then
x^2-2x+4=0
Solve this quadratic equation
x=2
So the x-intercept has the following coordinates: (2, 0)
At this link you can watch a video that explains the x and y-intercept of an equation:
http://www.math-videos-online.com/free-math-homework-help.html
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