1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lana71 [14]
3 years ago
13

What substitution should be used to rewrite 4x^4-21x^2+20=0 as a quadratic function?

Mathematics
2 answers:
pogonyaev3 years ago
3 0

Answer:

see explanation

Step-by-step explanation:

Let u = x² ( choice of variable is flexible ), then

4u² - 21u + 20 = 0 ← expressed as a quadratic

This can now be solved for u and converted back into terms of x

Ipatiy [6.2K]3 years ago
3 0

Answer:

refer the explanation

Step-by-step explanation:

this question can be written as

X^2=y

so,x^4=y^2

so it will be 4y^2-21y+20=0

You might be interested in
Determine if the set is the empty set. X | x > 7 and x < 10
sveticcg [70]

x > 7                     x < 10

7 o---------------------o 10

This is not an empty set.  x contains all of the values between 7 and 10.

3 0
3 years ago
Read 2 more answers
The function y = -15 +2100 can be used to model the height, y, of a parachute jumper x seconds after she jumps from an airplane.
Aleks04 [339]
Did you mean to put a x after -15?
7 0
3 years ago
Read 2 more answers
What is the y-value of point A?
PSYCHO15rus [73]

Answer: 1

The full term is (6,1)

6 0
3 years ago
Read 2 more answers
Please answer this math question
IgorC [24]
0.
1/2 = 1/2
No need to add anything
8 0
3 years ago
I put more points, sorry
Murljashka [212]

Answer:

I dont understand. It isnt clear on what they want you to do.

3 0
3 years ago
Other questions:
  • Two step equations <br><br> -5n+8=-7
    5·2 answers
  • I need help solving these problem 14=8-6r
    13·2 answers
  • Find the equation of a line that passes through the point (-5,4) and is perpendicular to 6x-36y
    15·1 answer
  • A store marks up a laptop 50% from its original price of $299. What is the new price for the computer?
    6·1 answer
  • Please help!!! asap!!!!!!
    15·1 answer
  • A train leaves in Zurich at 22 40 and arrives in Vienna 07 32 the next day Work out the Time train takes
    7·1 answer
  • Stephen deposited 5800 in a new savings account. The savings account earns 8.0% annually and simple interest. How much is the ac
    9·2 answers
  • 4. 2000 tickets were sold to a car show on Saturday. The cost of a ticket for an adult is $4 and the
    8·1 answer
  • Quickly answer or ill take this question down
    6·1 answer
  • Solve for x.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!