Answer:
Subtracting Polynomials is very similar to adding polynomials. In fact, we will be changing the subtraction problem to an addition problem.
In the Pre-Algebra section of the website, we started out by reviewing integers.
We said, "When you subtract integers, you must add the opposite. We also talked about the Keep - Change- Change Rule. That rule applies to polynomials as well.
Take a look at these examples that show you how to rewrite the problem as an additional problem.
Step-by-step explanation:
Step-by-step explanation:
<u>Substitute the value of x into the equation:</u>
![y = 4(-2) + 3](https://tex.z-dn.net/?f=y%20%3D%204%28-2%29%20%2B%203)
<u>Multiply:</u>
![y = -8 + 3](https://tex.z-dn.net/?f=y%20%3D%20-8%20%2B%203)
<u>Add</u><u>:</u>
![\boxed{y = -5}](https://tex.z-dn.net/?f=%5Cboxed%7By%20%3D%20-5%7D)
The height of the candle after 8 hours is 19.2 centimeters
<h3>How to determine the height of the candle after 8 hours?</h3>
The given parameters are:
Slope, m = -0.6
Points: (x, y) = (17, 13.8)
A linear equation can be represented as:
y = m(x - x1) + y1
Substitute the points (x, y) = (17, 13.8) in the above equation y = m(x - x1) + y1
So, we have
y = m(x - 17) + 13.8
The slope is -0.6
So, we have:
y = -0.6(x - 17) + 13.8
After 8 hours, we have
x = 8
Substitute x = 8 in y = -0.6(x - 17) + 13.8
y = -0.6(8 - 17) + 13.8
Evaluate
y = 19.2
Hence, the height of the candle after 8 hours is 19.2 centimeters
Read more about linear equations at:
brainly.com/question/14323743
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