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the equations x -2 y = 1, 3 x - y = -1, x + 2 y = -1, and 3 x + y = 1 are shown on the graph below.

⊕image below!

which system of equations has a solution of approximately (0.6, –0.8)?
x + 2 y = - 1 and 3 x + y = 1
x - 2 y = 1 and 3 x + y = 1
x -2 y = 1 and 3 x -y = -1
x + 2 y = - 1 and 3 x-y = -1

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

Step-by-step explanation:

See the graph attached.

From this graph, it is clear that the green line and the Purple line intersect each other at an approximate point (0.6, -0.8).

Now, the green line passes through the x-intercept (-1,0) and y-intercept (0,-0.5).

Therefore, the equation of the green line will be

⇒ x + 2y = - 1

Therefore, the first combination or the fourth combination will be the answer.

Again, the purple line passes through the point (0,1) and has a negative slope.

So, the equation of purple line will be 3x + y = 1 {Since it has negative slope}

Therefore, the first combination will be the answer.

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2