Mathematics, 27.05.2020 02:06, alyssarosalynn
Alejandra was given this problem to solve her math classz x ^ 2 + 9 = 0. She realized that both x ^ 2 and 9 are perfect squares . Therefore Alejandra chose to use difference of squares and completed the problem as such. (x + 3)(x - 3) = 0 x = - 3 and x = 3 Explain why Alejandra was incorrect in choosing to use the difference of squares method. (Explain why she could not use the difference of square method x ^ 2 + 9 = 0)
Answers: 2
Mathematics, 21.06.2019 16:30, victoria8281
Answer the following for 896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631
Answers: 1
Mathematics, 21.06.2019 20:40, keananashville
The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2
Answers: 2
Mathematics, 22.06.2019 01:30, QuestionsAnsweredNow
The actual length of side y is 22 cm. use the scale drawing to find the actual length of side x. a) 15.2 cm b) 17.1 cm c) 18.0 cm d) 28.3 cm
Answers: 1
Alejandra was given this problem to solve her math classz x ^ 2 + 9 = 0. She realized that both x ^...
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