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

How to graph y=|x+4|
80 questions how many can I get wrong to get 75%
4.5 moles of carbon monoxide is hoe many grams
A parachutist's rate during a free fall reaches 198 kilometers per hour. What is this rate in meters per second? At this rate, how many meters will the parachut
Which best explains how the overproduction of goods in the 1920s affected consumer prices and the economy? Prices fell as consumer demand increased, and the eco
If you draw all of the diagonals from a single vertex of a convex polygon with 8 sides, how many triangles are formed?
what is the equivalent fraction for 4\7
two less than five times a number is 28. what is the number
Find the product mentally. (ab + 3)(ab - 3) A: a2b2 + 9 B: a2b2 - 6ab - 9 C: a2b2 - 9
Alice's grandmothers age is a composite number between 70 and 80 and has a factor of 11 what is it