C cr7 New member Joined Oct 7, 2006 Messages 12 Apr 16, 2007 #1 I know what the x and y intercepts but how do i show that mathematically for: 1. y= x^3-12x+8 The y-int= 0,8 x=3 and 2/3.. i think 2. y=(1/3x )(4-x)^2 y-int= 0 x-int= 0,4 any help would be appreciated. Thanks
I know what the x and y intercepts but how do i show that mathematically for: 1. y= x^3-12x+8 The y-int= 0,8 x=3 and 2/3.. i think 2. y=(1/3x )(4-x)^2 y-int= 0 x-int= 0,4 any help would be appreciated. Thanks
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,579 Apr 17, 2007 #2 To find x-intercept(s), set y equal to zero, and solve. To find y-intercept(s), set x equal to zero, and solve. Eliz.
To find x-intercept(s), set y equal to zero, and solve. To find y-intercept(s), set x equal to zero, and solve. Eliz.