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

What is 12^(2x-8)=15
Many scientists are convinced that the growing human population is contributing to the gradual warming trend that is occuring on planet Earth. According to the
Martin wrote 1,207 as 700+490+17. Explain how to find the answer using the number broken apart in this way.
Intrusive igneous rock bodies are called A. tephra. B. cinder cones. C. tectonics. D. plutons.
carol drives her daughter to school at an average rate of 30 miles per hour, but only goes an average rate of 20 miles per hour on the way home because of traff
A substance that enters into a chemical reaction is called a(n) _____. enzyme reactant catalyst product
(LC)Which weapon caused the fewest casualties in World War I? A machine gun B artillery C airplane D bayonet WRONG
n+9/4n+36 simplify this
factor the polynomials by finding the GCF 1. 3x+12 2. 7y-7 3. 5x+30y 4. 8m+36n please help i don't understand this
what is believed to have weakened Solomon as a king