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grumpygirl0720
24.07.2019 •
Mathematics
Find the value or values of p in the quadratic equation p2 + 13p – 30 = 0. a. p = –15, p = 2 b. p = 10, p = 3 c. p = –10, p = –3 d. p = 15, p = 2
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Ответ:
When solving a quadratic equation that equals 0, you would look for two numbers that when multiplied equal -30 but added together equal 13. Those numbers would be 15 and 2 (which eliminates B and C). The pair multiplied together has to equal -30 but when added has to equal +13. Meaning the answer would be A. P = -15, P = 2.
I hope this helps!
Ответ:
60 degrees
Step-by-step explanation: