0
Still curious? Ask our experts.
Chat with our AI personalities
RafaThere's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
JudySimplicity is my specialty.
Chat with Judy
RossEvery question is just a happy little opportunity.
Chat with RossAdd your answer:
Earn +20 ptsQ: Is x2-y2 equals 81 a function?
Write your answer...
Submit
Still have questions?
Continue Learning about Other Math
What is 81 squared?
81 x 81 = 6561
What to the second power equals 81?
It is: 9^2 = 81
The second power of 9 equals?
81. 92 = 9 * 9 = 81
What is the square root of eighty one?
Square root of 81 has two solutions: SQRT(81) = +9 and -9 SQRT(81) = +9. The square root function has just a single output for every input. It, by definition, returns the positive 2nd root of the function. So SQRT(x) is always non-negative. This is distinctly different than saying, "what number squared equals 81?" That refers to solutions to the equation x^2 = 81, of which there are two.....+9 and -9.
How is 9 to the 2 power 81?
Because 9 times 9 equals 81.
Trending Questions
What is another word for the word proposal?
How do you properly divide by zero?
How many 2 mg warfarin pills equal 10 mg of warfarin?
What numbers can i multiply to get 648?
Factors of 225 and 144?
How many times does 200 go into 1500?
How many Km make a metre?
What is the point at in which a graph intersects the y-axis.?
When was Grid Compass created?
What is 10 minus a equals 20?
When does four plus four equal 9?
Is 30 the only multiple of 3 that ends in a zero?
What is the definition of greater than?
What is one sixth of 18?
What is 2 divided by 90?
How many times does 2 go into 108?
What is the meaning of t6 of tau gamma?
How many gallons of water are in your 8' x 8' hot tub?
How much more would the value of y be on the graph than its value in the table when x 12 20 90 150 180?
A square has an area of 169 centimeters how long is each side?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.