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snow_tiger [21]
3 years ago
6

A system of equations is shown. y = 3x - 2;. y = x^2. What are the solutions to the system of equations?

Mathematics
2 answers:
Taya2010 [7]3 years ago
7 0

Answer: the solutions to the system of equations are x = 2 and x = 1

Step-by-step explanation:

The system of equations given equation is

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

y = x^2 - - - - - - - - - - - - 2

Substituting 1 into equation 2, it becomes

x^2 = 3x - 2

x^2 - 3x + 2 = 0

We would apply the method of factorization in solving the equation. We will get two numbers such that when added, the result would be - 3x and when multiplied, the result would be 2x^2. The numbers are - 2x and - x. It becomes

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

x(x - 2) - 1(x - 2) = 0

(x - 2)(x - 1) = 0

x - 2 = 0 or x - 1 = 0

x = 2 or x = 1

.

Archy [21]3 years ago
3 0

Answer:

(1,1) and (2,4) are the solutions to the system of equations.

Step-by-step explanation:

The two equations are:

y=x^{2}---------1

y=3x-2---------2

Putting value of y from equation 1 in equation 2 we get:

x^{2}=3x-2\\x^{2}-3x+2=0\\Factorising\\x^{2}-x-2x+2=0\\x(x-1)-2(x-1)=0\\(x-1)(x-2)=0\\x=1,x=2

When x=1 : y=x^{2}=1

When x=2 y=x^{2} =4

The solutions are (1,1) and (2,4).

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