help101111
help101111 help101111
  • 23-03-2021
  • Mathematics
contestada

Please help what's the answer

Please help whats the answer class=

Respuesta :

Аноним Аноним
  • 23-03-2021

Answer:

The answer is going to be No, (-1, 2) is only a solution for the equation 2x + 5y = 8

Let's find out if it is a solution first:

3 x -1 - 2 x 2 = -3 - 4 = -7

2 x -1 + 5 x 2 = -2 + 10 = 8

From this, you can tell that (-1, 2) is only a solution to 2x + 5y = 8

Answer Link

Otras preguntas

an is a mass of a living protoplasm
If a radio-active atom goes through α decay, the atomic number will decrease by 4. O True O False
Point M is on line segment LN . Given LN=3x+3,LN=3x+3, LM=4x,LM=4x, and MN=2x,MN=2x, determine the numerical length of MN .
URGENT!!!! PLZ HELP!!! QUIZ!!!!Which of these 4 sets of side lengths will form a right triangle?Set 1- 10cm, 26cm, 24cmSet 2 - 4 in. 2in., 6in.Set 3 - 14mm , 13
Tell whether the statement is true or false. 8 €{16, 24, 32, 40, 48} False True
Let f(x) = 3x2 + 2x - 4 and g(x) = x +h Find f(g(2))
What are the five characteristics of a physically literate person?
Is the word snakes a noun , verb, pronoun , adnective , adverb , or preposition
Three common multiples of 3 and 2
Summarise this Paragraph from Flannery O'Connor, "Some Aspects of the Grotesque in Southern Fiction" (1960) You may say that the serious writer doesn't have to