Can someone correct these for me please..
Find the value of the polynomial
8x – 6 when x = 1 and when x = –1.
My answer:
So when x = 1 the value of the polynomial is: 2And when x = -1 the value of the polynomial is: -14
Multiply. (x – 8)2
Answer: x^2-16x+16
You first answer is correct, but the second has a problem.
Assuming that you mean (X-8)^2, what do you get when you multiply -8 by -8?
I hope this helps. Thanks for asking.
so then -8 (-8)= 64
so then it would be x^2+64x+16
Actually, there's still a mistake in your calculation. When you multiply -8 by -8, you get a positive 64 since multiplying two negative numbers gives a positive result.
So the correct answer for (x - 8)^2 is x^2 - 16x + 64.
Thank you for bringing this up, and if you have any more questions, feel free to ask!