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-2x^(2)+5x=17
Which of the following describes the solutions to the given equation?
Choose 1 answer:
(A) The equation has two distinct real, rational solutions.
B The equation has two distinct real, irrational solutions.
(C) The equation has one distinct real solution.
(D) The equation has no real solutions.

2x2+5x=17 -2 x^{2}+5 x=17 \newlineWhich of the following describes the solutions to the given equation?\newlineChoose 11 answer:\newline(A) The equation has two distinct real, rational solutions.\newlineB The equation has two distinct real, irrational solutions.\newline(C) The equation has one distinct real solution.\newline(D) The equation has no real solutions.

Full solution

Q. 2x2+5x=17 -2 x^{2}+5 x=17 \newlineWhich of the following describes the solutions to the given equation?\newlineChoose 11 answer:\newline(A) The equation has two distinct real, rational solutions.\newlineB The equation has two distinct real, irrational solutions.\newline(C) The equation has one distinct real solution.\newline(D) The equation has no real solutions.
  1. Move Terms to One Side: Move all terms to one side of the equation to set it equal to zero.\newline2x2+5x17=0-2x^2 + 5x - 17 = 0
  2. Determine Discriminant: Determine the discriminant of the quadratic equation to understand the nature of the solutions. The discriminant is given by the formula b24acb^2 - 4ac, where aa, bb, and cc are the coefficients of the terms ax2+bx+c=0ax^2 + bx + c = 0.\newlineFor our equation, a=2a = -2, b=5b = 5, and c=17c = -17.\newlineDiscriminant = b24acb^2 - 4ac\newlineDiscriminant = (5)24(2)(17)(5)^2 - 4(-2)(-17)
  3. Calculate Discriminant: Calculate the discriminant.\newlineDiscriminant = 254(2)(17)25 - 4(2)(17)\newlineDiscriminant = 2513625 - 136\newlineDiscriminant = 111-111
  4. Analyze Solutions: Analyze the discriminant to determine the nature of the solutions.\newlineSince the discriminant is negative 111 -111 , the quadratic equation has no real solutions. It has two complex solutions.

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