ksheppard13 ksheppard13

14-11-2019
Mathematics

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What quadratic equation has -4 and 2/3 as it’s roots

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Аноним Аноним

14-11-2019

Answer:

3x^2 + 10x - 8 = 0.

Step-by-step explanation:

In factor form it would be:

(x + 4)(3x - 2) = 0 (because x + 4 = 0 gives x = -4 and 3x - 2 = 0 gives x = 2/3);

Now change to standard form:

= 3x^2 - 2x + 12x - 8 =0

= 3x^2 + 10x - 8 = 0.

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