Answer:
y = -4
Step-by-step explanation:
Once you recognize the line as being horizontal, you know its equation will be ...
y = (some constant)
The value of the constant will correspond to the y-coordinate of the points the line goes through. It will also be the value of the y-intercept. Here, that value is -4, so the equation is ...
y = -4
Answer: 
Step-by-step explanation:
First, it is important to know that the scale factor is defined as a ratio of two corresponding side lengths of similar figures.
Similar figures are defined as those figures in which the ratio of their corresponfing side lengths are equal and their corresponding angles are congruent (which means that they have the same measure).
In this case, you know that the rectangles given in the picture are similar.
Therefore, you can find the scale factor that was applied to the first rectangle to get the resulting image, dividing the lenghts of their corresponding sides.
Then, this is:

(k + k)(4) =
5x - 6 + 5x - 6 = 10x - 12 =
10(4) - 12 = 40 - 12 = 28
The answer is 28
Let's find out!
-5 + x * x + 4.
-5 + x^2 + 4.
-5 + 4 + x^2.
-1 + x^2.
5 + x * x - 4.
5 + x^2 - 4.
5 - 4 + x^2.
1 + x^2
So, they are NOT the same, because one of the "1"'s are negative, and the other is positive.
The slope intercept form for the first one is y=-3/4x-7, the second is y=-2/5x+2 and these lines are intersecting.