Which equation is true for x 6 and x 2
Asked by maham237 @ in Mathematics viewed by 360 People
x = –6 and x = 2?
2x2 – 16x + 12 = 0
2x2 + 8x – 24 = 0
3x2 – 4x – 12 = 0
3x2 + 12x + 36 = 0
Answered by maham237 @
we know that
using a graph tool
let's proceed to graph each case to determine the roots
case 1)
the roots are
------> is not the solution
see the attached figure N
case 2)
the roots are
see the attached figure N --------> is the solution
case 3)
the roots are
------> is not the solution
see the attached figure N
case 4)
the graph does not have x-intercepts
see the attached figure N ------> is not the solution
therefore
the answer is
the solution is
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