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Svet_ta [14]
3 years ago
6

Which represents the solution(s) of the graphed system of equations, y = –x2 + x + 2 and y = –x + 3? (1, 2) (1, 2) and (0, 3) (–

1, 0) and (2, 0) (2, 1)
Mathematics
2 answers:
max2010maxim [7]3 years ago
5 0
Y = -x^2 + x + 2
y = -x + 3

-x + 3 = -x^2 + x + 2
x^2 - x - 2 - x + 3 = 0
x^2 -2x + 1 = 0
(x - 1)(x - 1) = 0

x - 1 = 0      y = -x + 3
x = 1           y = -1 + 3
                   y = 2

solutions are : (1,2) , (1,2)


rosijanka [135]3 years ago
4 0

Answer:

(1,2) , (1,2)

Step-by-step explanation:

Given : y = -x^2 + x + 2

            y = -x + 3

To Find : Which represents the solution(s) of the graphed system of equations

Solution:

y = -x^2 + x + 2

y = -x + 3

Now, to find the solution

-x + 3 = -x^2 + x + 2

x^2 - x - 2 - x + 3 = 0

x^2 -2x + 1 = 0

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

So, x = 1,1

Substitute the value of x

y = -x + 3

y = -1 + 3y = 2

Thus the solutions are : (1,2) , (1,2)

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