do you mean 2x squared? If so, x = 5, -5
Answer:
11x² - y
Step-by-step explanation:
Step 1: Write out expression
10x² - y + x²
Step 2: Combine like terms
11x² - y
That is simplest form.
Answer:
B and D
Step-by-step explanation:
A is false as it would be 3.08 when rounded.
C is false as it is rounded to the tenth not hundredth.
Answer:B
Step-by-step explanation:
Answer: rational
a rational number is a number that can be expressed by a quotient or a fraction
