Answer: f(1)=0
Step-by-step explanation:
replace x by 1
![f(1)=1^{4}-2(1)^{3}+10(1)^{2}-18(1)+9](https://tex.z-dn.net/?f=f%281%29%3D1%5E%7B4%7D-2%281%29%5E%7B3%7D%2B10%281%29%5E%7B2%7D-18%281%29%2B9)
f(1)= 1-2(1)+10(1)-18+9
f(1)= 1-2+10-18+9
f(1)= 1+10+9-2-18
f(1)= 20-20
f(1)= 0
Answer:
The coefficient is 5.
Step-by-step explanation:
The coefficient is the number that comes before the variable, 8 wouldn't be a coefficient because it doesn't have a variable, so therefore the correct answer is 5.
I hope I could help :)
Answer:
You have to know the basic properties of exponents.
Jill's answer is wrong because you add the powers when there are like bases. You don't multiply.
![2^{-3} *2^{6} = 2^{3}](https://tex.z-dn.net/?f=2%5E%7B-3%7D%20%2A2%5E%7B6%7D%20%3D%202%5E%7B3%7D)
-3+6=3
The base stays the same.
Answer:
Solution (2,1)
Step-by-step explanation:
y = 3x-5
6x+3y=15
Substitute y = 3x - 5 into 6x+3y=15
6x + 3(3x-5
) =15
6x + 9x - 15 = 15
15x = 30
x = 2
Plug in x = 2 into y = 3x-5
y = 3(2) - 5
y = 1
Solution (2,1)
Answer:
c) x=2
Step-by-step explanation:
2.5(6x-4)=10+4(1.5+0.5x)?
=15x-10=10+6+2x
=15x-2x=10+6+10
=13x=26
=13x/13=26/13
=therefore X=2