What are the solutions to the system of equations? {y=2x2+6x−10 y=−x+5
2 answers:
Answer:
I think this is mistake because y=2x^2+6x-10 y=x+5 this is the right
Answer: x = -5, 3/2 y = 10, 7/2 Explanation: y = 2x^2 + 6x - 10 (1) y = - x + 5 (2) => 2x^2 + 6x - 10 = - x + 5 2x^2 - 7x - 15 = 0 (2x - 3)(x + 5) = 0 => 2x - 3 = 0 2x = 3 x = 3/2 => x + 5 = 0 x = -5 According to (2): y = -x + 5 y = -(-5) + 5 y = 5 + 5 = 10 y = -x + 5 y = -(3/2) + 5 y = -(3/2) + 10/2 y = 7/2
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The answer you have selected should be correct.