We start by working out the slope. The slope is change in y over change in x, so (66-58)/(-56)-(-42) is the slope here. 66-58 is 8, and -56-(-42) is -14. -8/14=-4/7. The equation of a line in slope-intercept form is y=mx+b where b is the y intercept and m is the slope. Since the slope is -4/7, then y=-4/7x+b. We then insert any x and y pair into this equation and solve for b, the y intercept to get it. (We can do ANY pair) So, 50=(-4/7)(-28)+b.

: 50=16+b

: 50-16=b

: 34=b

So, in conclusion, the y intercept is 34. Hope this helps!

6 0

3 years ago

There are five houses on Philips Road that each use, on average, between 1.61 units and 1.74 units of electricity for 1 to 3 hou

Karo-lina-s [1.5K]

Answer:

C is the correct answer is yes

Step-by-step explanation:

I'm doing this assignment and I got it correct!

3 0

3 years ago