Ask a New Question

Asked by Bree

Prove algebraically that y=x^2-4 is symmetric with the y-axis.
Please help! Thanks
16 years ago

Answers

Answered by Reiny
let f(x) = x^2 - 4

f(a) = a^2 - 4
f(-a) = a^2 - 4

if for some function f(x),
f(a) = f(-a) then the function is symmetric about the y-axis
(by definition)
16 years ago
There are no AI answers yet. The ability to request AI answers is coming soon!

Submit Your Answer


We prioritize human answers over AI answers.

If you are human, and you can answer this question, please submit your answer.

Related Questions

Prove algebraically that the difference between the square of any two consecutive integers is equal... Prove algebraically that the ratio of perimeters of two triangles is 1:4 if the ratio of their corre... Prove algebraically that |w+z| is less than or equal to |w|+|z| for any complex numbers w and z, whe... Prove algebraically that the difference between any two different odd numbers is an even number.... Prove algebraically that the line joining the midpoints of the nonparallel sides of a trapezoid is p... Prove algebraically that |w+z|<=|w|+|z| for any complex numbers w and z. Solve algebraically x^2-6x+9>0 Algebraically at what temp is Celsius 1/4 that of Fahrenheit?? ie C = 1/4 F Solve x+1=2/3x algebraically Determine algebraically whether or not the function f left parenthesis x right parenthesis equals ne...
Submit Your Answer

Question

Prove algebraically that y=x^2-4 is symmetric with the y-axis.
Please help! Thanks

Ask a New Question
Archives Contact Us Privacy Policy Terms of Use