Asked by Lisa D
Solve the quadratic equation.
12x2 + 23x + 10 = 0
A.5/4,2/3 B. 5/12, 1/5 C. 5/4, 2/3
D. 5/4, 2/3
12x2 + 23x + 10 = 0
A.5/4,2/3 B. 5/12, 1/5 C. 5/4, 2/3
D. 5/4, 2/3
Answers
Answered by
Reiny
without even working it out, I can tell your answer is wrong.
both your answers are positive, and all the terms on the left side of the equation are positive.
How can the sum of a bunch of positive numbers equal zero?
12x^2 + 23x + 10 = 0
(3x+2)(4x+5) = 0
x = -2/3 or x = -5/4
so none of the choices you gave are correct, since all of them are positive.
both your answers are positive, and all the terms on the left side of the equation are positive.
How can the sum of a bunch of positive numbers equal zero?
12x^2 + 23x + 10 = 0
(3x+2)(4x+5) = 0
x = -2/3 or x = -5/4
so none of the choices you gave are correct, since all of them are positive.
Answered by
Lisa D
Sorry, I miss read the answers.I did not see the neg.
On B, C they are both negative and on D. 5/4, -2/3
On B, C they are both negative and on D. 5/4, -2/3
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