Mathematics, 26.11.2019 19:31 talia43
Solve 2x2 12x − 14 = 0 by completing the square. 2(x 6)2 = 26; x = −6 square root 13, x = −6 − square root 132(x 6)2 = 20; x = −6 square root 20, x = −6 − square root 202(x 3)2 = 32; x = 1, x = −72(x 3)2 = 32; x = 13, x = 19
Answers: 1
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As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?
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Solve 2x2 12x − 14 = 0 by completing the square. 2(x 6)2 = 26; x = −6 square root 13, x = −6 − squa...
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