ABCD is a rhombus with coordinates A (0, 3); B (1, 0); C (4, -1); D (x, y) what must be the coordinates of D to make sure ABCD is a rhombus?

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Ответ:

meaddestinee

28.02.2021

Mathematics

Answer is given below with explanations.

Step-by-step explanation:

$given \: equation \: is \\ 30 {x}^{2} - 5x - 10 \\ taking \: out \: 5 \: which \: is \: common \: gives \\ 5(6 {x}^{2} - x - 2) \\ by \: factorization \: \\ (multiply \: = - 12 \: and \: add \: - 1) \\ 5(6 {x}^{2} + 3x - 4x - 2) \\ 5(3x(2x + 1) - 2(2x + 1)) \\ = 5(2x + 1)(3x - 2) \\ so \: answer \: is \: option \: 5$

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