athenawandahost
athenawandahost athenawandahost
  • 25-01-2021
  • Mathematics
contestada

Is this ordered pair a solution to the system of linear equations? Yes or no and why or why not?

Is this ordered pair a solution to the system of linear equations Yes or no and why or why not class=

Respuesta :

thebecks
thebecks thebecks
  • 25-01-2021

Answer:

Yes, it is a solution

Step-by-step explanation:

9x+7y=-11

-2x-5y=30

substitute 5 for x and -8 for y and test:

9(5)+7(-8)=-11

45-56=-11 ,  this is true

-2(5)-5(-8)=30

-10+40=30 , this is true also

Answer Link

Otras preguntas

Lungs are to breathing as _____ are to cellular respiration. bronchi chloroplasts mitochondria alveoli
What is the solution to the equation 5x + 2(x − 4) = 5x + x − 10? 3 2 −2 −3
Who is part of the president's cabinet? a. the representatives in the legislative branch b. the Supreme Court justices c. the heads of the 15 executive depar
Use the given graph to determine the limit, if it exists. A coordinate graph is shown with a downward sloped line crossing the y axis at the origin that ends a
who would the president most likely appoint to offer advice about national defense?
Calcular la suma de los divisores simples delnumero 84.
what is the product in lowest terms -8/9 * 5/6 -1 -13/15 -20/27 -1/5
the Era in which early humans made tools is called what?
What word best describes a reflective essay? a. analytical b. subjective c. factual d. objective
which of the following probabilities is the greatest for a standard normal distribution? a. p(-1.5≤z≤-0.5) b. p(-0.5≤z≤0.5) c. p(0.5≤z≤1.5) d. p(1.5≤z≤2.5)