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bogdanovich [222]
2 years ago
15

What is the solution to the system of equations graphed below

Mathematics
2 answers:
Crank2 years ago
7 0

Answer:  The correct option is (D) (1, -2).

Step-by-step explanation:  We are given to find the solution to the following system of equations graphed in the picture :

y=-4x+2~~~~~~~~~~~~~~~~~~~~~~~~~~(i)\\\\y=x-3~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(ii)

Comparing equations (i) and (ii), we get

-4x+2=x-3\\\\\Rightarrow 4x+x=2+3\\\\\Rightarrow 5x=5\\\\\Rightarrow x=\dfrac{5}{5}\\\\\Rightarrow x=1.

Substituting the value of x in equation (ii), we get

y=x-3=1-3=-2.

Thus, the required solution of the given system is (x, y) = (1, -2).

Option (D) is CORRECT.

Morgarella [4.7K]2 years ago
3 0
Equation 1 ==> y = -4x + 2
Equation 2 ==> y = x - 3

Substitude equation 2 into 1

x - 3 = -4x + 2
-5 = -5x
x = 1

Substitude x into equation 2

y = 1 - 3
y = -2

Coordinates is (1, -2)
Answer is D.
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