quaneshadavispaa273 quaneshadavispaa273
  • 04-06-2019
  • Mathematics
contestada

What are the solutions of the following?

2x2 + 26x + 80

Your answer:

{5,8}


{-5,-8}


{4,10}


{-4, -10}

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 10-06-2019

Answer:

  (-5, -8)

Step-by-step explanation:

The expression can be divided by 2 to give ...

  x² +13x +40

The solutions to this will have a product of 40 and a sum of -13, the opposite of the x-coefficient. All of the offered choices have a product of 40, but only (-5, -8) has a sum of -13.

Answer Link

Otras preguntas

Is the E-CIG industry more "safe" than the actual tobacco companies? Why? If someone offered you E-CIGS than cigarettes would you say yes or no? Why?Full Paragr
The statement, "right angles measure 90 degrees," is an example of: A postulate A definition A theorem A conjecture
How do I solve for x? X+6x=56
If the length of each side of a square prism is ten feet. Find the total surface area of this object
graph y=3sinx and y=sin 3x on the same axes. label the graph of each function.
What is a synonym for sensory language?A.simileB.fluencyC.metaphorD.imagery im thinkin D?
How many flags are in this wolld ;)
how do u find the area of a triangle
how can bureaucratic personality be dangerous
Convert the general form of the circle given into standard form. 2x^2 + 2y^2 - 20x - 8y + 50 = 0