Thebreathoffire
Thebreathoffire Thebreathoffire
  • 20-11-2019
  • Mathematics
contestada

The point (-2, -1) satisfies which of the following inequalities?

1.)2x + 5y - 1 > 0
2.)-2x + 5y - 1 > 0
3.)5x - 2y + 1 > 0
4.)-5x + 2y + 1 > 0

Respuesta :

mirnaxlunam
mirnaxlunam mirnaxlunam
  • 20-11-2019

Answer:

4.)-5x + 2y + 1 > 0

Step-by-step explanation:

  • Substitute -2 for x and -1 for y in each inequality and see if true↓
  1. 2(-2)+5(-1)>0     → -9>0      FALSE
  2. -2(-2)+5(-1)>0    → -1>0       FALSE
  3. 5(-2)-2(-1)>0      → -8>0      FALSE
  4. -5(-2)+2(-1)+1>0 →  9>0      TRUE

Answer Link

Otras preguntas

9.1 ÷ 3576 long division
After unit and integration testing are completed, _________ testing ensures that all hardware and software components work together.?
Cancer occurs when cell division becomes uncontrolled. what is one factor that can cause the cell cycle to lose control? genetics synapsis cytokinesis fission
Germany lost an important World War II ally when
prepare slogan reflecting universal brotherhood
Samantha’s paper fits her audience and thesis but doesn’t match the purpose. which stage of the fact strategy applies
A closed container is filled with oxygen. the pressure in the container is 225 kpa . what is the pressure in millimeters of mercury?
what is the primary purpose if "the perils of indifference"? A. to motivate people to do something when they see other human beings suffering B. to remind p
Which of the following points is a solution to the system of linear inequalities? {y<2x-5 {y>-3x A. (1, 1) B. (–2, 2) C. (5, 3) D. (–4, 4)
The money paid to corporate investors in return for their investment is called _______.