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17-04-2019
Mathematics

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find the solution(s) to the system of equations. select all that apply y=x^2 - 4 y= 2x-5 - 2 A. (-5-0) B.(1,-3)C.(-2,0)D.(2,0)

find the solutions to the system of equations select all that apply yx2 4 y 2x5 2 A 50 B13C20D20 class=

find the solutions to the system of equations select all that apply yx2 4 y 2x5 2 A 50 B13C20D20 class=

find the solutions to the system of equations select all that apply yx2 4 y 2x5 2 A 50 B13C20D20 class=

Respuesta :

ShyzaSling ShyzaSling

17-04-2019

Answer:

B.(1,-3)

Step-by-step explanation:

Given in the question two equation

Equation1

y = x² - 4

Equation2

y = 2x - 5

Substitute y with 2x-5 in equation2

x² - 4 = 2x - 5

x² - 2x + 1 = 0

(x-1)(x-1)=0

x = 1

plug value of x in any equation

y = 2(1)- 5

y = -3

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