SOLUTION: Quesion: Which wquation below is the quadratic equation in standard form that results whsn you substitute u+x^-2 into the equation x^-4 -32 = 4x^-2 ?
Answers:
(a) 1/u^2 - 4/u -
Algebra.Com
Question 30331: Quesion: Which wquation below is the quadratic equation in standard form that results whsn you substitute u+x^-2 into the equation x^-4 -32 = 4x^-2 ?
Answers:
(a) 1/u^2 - 4/u -32 =0
(b) u^2 -4u -32 = 0
(c) u^4 -4u^2 -32 =0
(d) u^-2 -4u +32 = 0
(e) 1/u^2 +4/u -32 =o
Answer by Cintchr(481) (Show Source): You can put this solution on YOUR website!
and
What are we substituting u+x^-2 for? What is it equal to? I am going to assume that should actually be
First, set the first equation equal to 0
now ... the x^-4 needs to be rewritten
anywhere there is a x^-2 ... plug in a u
put the equation in descending order
the answer is b
RELATED QUESTIONS
Quesion: Which wquation below is the quadratic equation in standard form that results... (answered by Cintchr)
Which equation below is the quadratic equation in standard form that results when you... (answered by mukhopadhyay)
how do you write y=(x-4)(x+2) in standard form?
with the standard form of the equation... (answered by josmiceli,MathTherapy)
how do you write y=(x-4)(x+2) in standard form?
with the standard form of the equation... (answered by josgarithmetic,MathTherapy,robertb)
This is actually solving a problem that is quadratic in form. I am having lots of... (answered by Earlsdon)
Show that the quadratic function {{{y=ax^2+bx+c}}} can be written in the form... (answered by fcabanski)
Ineed ur help on like algibra plz plz plz i am dying thanks :D talk 2 u l8ter!!!
the... (answered by richard1234)
Re-write the quadratic function below in Standard Form
y = 9(x + 2)^2 +... (answered by ikleyn)
The graph of a quadratic function has x-intercepts -10 and 2. Write a quadratic equation... (answered by ikleyn)