Mathematics, 02.02.2021 18:00 jello2612
Jeff correctly solved - 2x2 - 53 +9 = 0 using the quadratic formula. Which equation below shows a possible beginning to his solution?
А
-5+ (-5) -4(-2)(9)
2-2)
B
-51, 52-4(2)(-9)
2(-2)
5(-5)-(-2)(9)
C
2(-2)
D
=
5+/-52-4(-2)(9)
2(-2)
Answers: 1
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