foosheemckenzie foosheemckenzie

11-07-2019
Mathematics

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What is the solution to this system of equations?

What is the solution to this system of equations class=

Respuesta :

Abinatamang Abinatamang

11-07-2019

Answer:

D

Step-by-step explanation:

y=2x²+2x+1.... i

y=2x+3......... ii

Equating i and ii,

2x²+2x+1=2x+3

2x²+1-3=0

2x²-2=0

x²-1=0

x=1 or -1.

From ii, if x=1,y=5

If x=-1, y=1.

The points are (-1,1) and (1,5)

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