3 years ago

Plllzzzzzzz Heeeeeelllpppppppppppp!!!!

1 answer:

4 0

On the first place we need to write the value of x, on the second place - the value of y.
{(-3,3), (0,0), (2,-2)}.

So, the answer is A.

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David wants to find the solutions of this system of equations: –4x – 7 = y x2 – 2x – 6 = y Which statement is true? Plz its urge

Gnoma [55]

Answer:

(-1, -3)

Step-by-step explanation:

The given equations are:

$-4x-7=y ...... (1)$

and

$x^2 - 2x - 6 = y ....... (2)$

Equating (1) and (2):

$-4x -7 =x^{2}-2x-6\\\Rightarrow x^{2}-2x-6+4x+7=0\\\Rightarrow x^{2}+2x+1=0\\\Rightarrow (x+1)^2=0\\\Rightarrow x = -1$

The two values of x are repeating in nature i.e. x = -1

So, value of $x$ is -1.

Putting value of $x$ in equation (1):

$-4 \times (-1)-7=y \\\Rightarrow y=-3$

The solution is represented as ( $x,y$ )

So, the solutions are :

<em>(-1, -3)</em>

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Hi there
It would be 145

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