Cho phương trình x^2 - 2(m-1)x + m^2 - 3m = 0 . Định m để phương trình: 1) Có hai nghiệm thỏa mãn 3(x1 + x2) = 4x1x2
2) Có 2 nghiệm thỏa mãn x1 = 3x2

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

What is the solution of the equation? 35√(x+2)3+3=27

Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis