Ask
your own question, for FREE!
Mathematics
7 Online
Aqual:
4x^2 - 64 = y
Join the QuestionCove community and study together with friends!
Sign Up
Aqual:
@jhonyy9
lilaspie7:
what is 4x^2?
jhonyy9:
use formula
a^2 -b^2 = (a-b)(a+b)
Aqual:
idk what x is
Aqual:
its also vertex, forgot to add
Join the QuestionCove community and study together with friends!
Sign Up
jhonyy9:
there is a difference of two squares
Aqual:
so i need the ertex form for 4x62-64=y
jhonyy9:
(2x)^2 - 8^2 = ?
use these above wrote formula
Aqual:
ohhhh
Aqual:
sqr root the other number
Join the QuestionCove community and study together with friends!
Sign Up
lilaspie7:
\(\color{#0cbb34}{\text{Originally Posted by}}\) @Aqual
sqr root the other number
\(\color{#0cbb34}{\text{End of Quote}}\)
mhm
Aqual:
ok
so how do i put that in vertex form
Aqual:
cuz 2 is a prime number
jhonyy9:
\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9
use formula
a^2 -b^2 = (a-b)(a+b)
\(\color{#0cbb34}{\text{End of Quote}}\)
use this
Aqual:
so (-6, 10)?
Join the QuestionCove community and study together with friends!
Sign Up
Aqual:
no, (10, -6)
Aqual:
cuz its -8
jhonyy9:
(2x -8)(2x +8) solve this for x
jhonyy9:
2x -8 = 0
x_1 = ?
2x +8 = 0
x_2 = ?
Aqual:
4, -4
Join the QuestionCove community and study together with friends!
Sign Up
KIllerwolf:
try it like this 4*x^2-64-(y)=0
snowflake0531:
do 4(x^2 -16)
then so it's 4(x-4)(x+4)
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!