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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