Asked by Jason
1)Write a quadratic equation with integer coefficients that has -4+7i(Radical 3) and -4-7i(Radical 3) as its roots.
2) Solve your answer to part 1 using the quadratic formula verifying your answer
2) Solve your answer to part 1 using the quadratic formula verifying your answer
Answers
Answered by
drwls
1) [x - (root1)][x - (root2)] = 0
Substitute in the two roots and multiply it out.
2) You should be able to do your own verification using the quadratic formula,
x = [-b +/- sqrt(b^2/4ac)]/(2a)
a,b and c are the coefficients in your quadratic equation from part 1.
Substitute in the two roots and multiply it out.
2) You should be able to do your own verification using the quadratic formula,
x = [-b +/- sqrt(b^2/4ac)]/(2a)
a,b and c are the coefficients in your quadratic equation from part 1.
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