Although they are the same variable, you cannot add two variables raised to different powers. 3x^1 + 5x^2 cannot work, but 3x^2 + 5x^2 can. Also, if you are multiplying them, they would combine to be 15x^3, as 3 and 5 (The coefficients) multiply together and x^2 times x^1 = x^3.
I hope that helps.
Answer:
they are equal
Step-by-step explanation:
f(x) means the same thing as y.
Answer: -8 and -4
This is something you do through trial and error. Making a list or a table like shown below might help.
Answer:
15
Step-by-step explanation:
15 is 5 * 3 so is not prime.
Answer:
16 - 2 = 14
Step-by-step explanation:
The lines mean absolute value and the absolute value of -16 is and of -2 is 2