Asked by Michael
someone please help me slove this problem.
Use the qudratic formula to find any x-intercepton the graph of the equation.
y=4x^2-2x-5
Use the qudratic formula to find any x-intercepton the graph of the equation.
y=4x^2-2x-5
Answers
Answered by
Reiny
solve 4x^2 - 2x - 5 = 0
x = (2 ± √84)/8
= (2 ± 2√21)/8
= (1 ± √21)/4 ---> the 2 x-intercepts (notice the correct spelling)
x = (2 ± √84)/8
= (2 ± 2√21)/8
= (1 ± √21)/4 ---> the 2 x-intercepts (notice the correct spelling)
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