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

Cuanto vale la y en matemáticas
There are two temples, one on each bank of a river, just opposite to each other. One is 54m high. From the top of this temple angle of depression of the top and
Question 2 (4 points) Draw in a complementary set of nucleotides on the right side of the figure below to produce the double-stranded structure of DNA. You'll h
d) At the New York Stock Exchange a certain online gaming stock had an initial public offering (IPO) price of 10 USD per share and is traded 24 hours a day. Ske
Which represents the inverse of the function f(x) 4x? O h(x) = x + 4 O h(x) = x - 4 O h(x) Sx O h(x) = ~x
PLEASE HELP I NEED IT BY TODAY I WILL GIVE YOU 44 POINT AND BRAINLEST
PLEASE HELP I NEED IT BY TODAY I WILL GIVE YOU 44 POINT AND BRAINLEST
A sentence that asks a question ends with a period. True False
adeshinaquadrioluseg Don't look at this users questions they are literally all wrong Trash
The sum of 2.236 and 7.555.. must be : A) Rational B) Irrational C) An integer D) A whole number