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
galben [10]
3 years ago
8

Write y=-3x^2+12x-21 in vertex form

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
6 0
The vertex form of any function is : <span>f(x) = a(x-h)^2 + k
 Hence the correct option would be: A): "</span><span>-3(x-2)^2-9</span>"
riadik2000 [5.3K]3 years ago
5 0
Complete the square: 
<span>y = 3x^2 - 12x + 4 </span>
<span>y = 3(x^2 - 4x) + 4 </span>
<span>y = 3(x^2 - 4x + 4 - 4) + 4 </span>
<span>y = 3(x^2 - 4x + 4) - 12 + 4 </span>
<span>y = 3(x - 2)^2 - 8</span>
You might be interested in
Deviation is the difference between any value and the mean of the set
slava [35]

Answer:

True

Step-by-step explanation:

Deviation is how much data in the set differs from the mean or average of the set. This is true.

4 0
4 years ago
PLEASE HELP ME!!! Which of the following rational functions is graphed below?
Lapatulllka [165]

Answer:

A

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
How to write four hundred twelve thousand, nine hundred eighty seven
Art [367]
The answer is 412,987

I hope this helps :)
8 0
3 years ago
A vehicle was travelling at a speed of 72km per hour. What distance did it cover in 2 hours? A. 158km B. 148km C. 168km D. 144km
Andru [333]

Answer:

D. 144km

Step-by-step explanation:

If the vehicle travels 72km every hour, in two hours, it will drive 144km. (72x2=144)

4 0
3 years ago
2^m•2^n would be the same as___.​
jarptica [38.1K]

{2}^{m + n}

Step-by-step explanation:

\huge {2}^{m} . {2}^{n}  =  {2}^{m + n}

3 0
3 years ago
Read 2 more answers
Other questions:
  • Bought a printer for $35,000. each year it depreciates 5%. What is the value after 4 years
    9·2 answers
  • Which expression is equivalent to 5x+7y<br><br> A.5y+7x<br> B.7y+5x<br> C.7y(5x)<br> D.12xy
    7·2 answers
  • Each statement describes a transformation of the graph of y-in x. Which statement correctly describes the graph of y-In(x - 7) +
    13·1 answer
  • The graph of a line passes through the points (0, 6) and (6, 0).
    8·1 answer
  • The m∠ACD = (4x + 4)° and m∠ABD = (6x - 14)°. Find m∠ACD.
    13·2 answers
  • 10. (08.07 LC)
    5·1 answer
  • If f(x)=x^{2}+2x+4 what is f(3)
    6·2 answers
  • If f(x)= 2x^5-3x^3+2x^2+1, then f(1)=?<br> A. -1<br> B. 0<br> C. 1<br> D. 2<br> E. 4
    14·2 answers
  • At Nivea's Newsstand, 6 magazines cost $12.00. How many magazines could you buy with $16.00?
    13·2 answers
  • A theatre has seats arranged in rows of 24, three hundred eighty -two(382) people attend a show at the theatre. What is the smal
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!