Question

y = – 3
y = x – 0.8

What is the best approximation for the solution to this system of equations?

(–3.2, –3)
(–2.9, –3)
(–2.2, –3)
(–1.9, –3)

Answer 1

Answer:

(–2.2, –3)

Step-by-step explanation:

y = – 3

y = x – 0.8

Substitute the value of y into the second equation

-3 = x-.8

Add .8 to each side

-3 +.8 = x-.8+.8

-2.2 = x

-3 =y

Answer 2

Answer:

The solution for the system of equations is (–2.2, –3)

Step-by-step explanation:

The solution of the system of equations can be expressed with its components in x and y in the form (x,y) where x is the value of x and y is the value of y. The values of x and y can be found solving the system of equations given.

1. Write the system of equations and name each equation:

$y=-3$ (Eq.1)

$y=x-0.8$ (Eq.2)

2. Replacing Eq. 1 in Eq. 2 and solving for x, we have:

$y=x-0.8$

$-3=x-0.8$

$-3+0.8=x$

$-2.2=x$

3. Express the answer as the solution tho the system of equations:

(x,y)=(-2.2,-3)