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
Triss [41]
3 years ago
7

What is the axis of symmetry for the function f(x)=7−4x+x2?

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
6 0

Answer:

x = 2

Step-by-step explanation:

y =  {x}^{2}  - 4x + 7 \\ y = (x - 2) {}^{2}   - 4 + 7 \\ y =  {(x - 2)}^{2}  + 3

Therefore, axis of symmetry is <u>x</u><u> </u><u>=</u><u> </u><u>2</u>

You might be interested in
What would be the answer to this problem <img src="https://tex.z-dn.net/?f=%5Cfrac%7B7x-3%7D%7B9%7D%20%5Cgeq%208-2x" id="TexForm
Alenkasestr [34]

Answer:

x\geq 3

Step-by-step explanation:

6 0
3 years ago
Which expression has a positive value?<br> (-5)(-9)<br> 2-4<br> 12-1-4)<br> -3+(-7)
11111nata11111 [884]

Answer:

(-5)(-9)

Step-by-step explanation:

any negative multiplied by any negative will always equal a positive

7 0
3 years ago
Read 2 more answers
Claudia spends $2.15 a day for lunch. Her cafeteria lunch account has a balance of $48.00. Which equation can be used to determi
andreev551 [17]

Answer:

d≤48/2.15

Step-by-step explanation:

Step one:

Given data

Claudia spends $2.15 a day for lunch.

We are told that her balance is  $48.00

let the number of days be d

Step two:

The maximum number of days she can eat is given as

d≤48/2.15

d≤22.33 days

7 0
2 years ago
Rolls are being prepared to go to grocery stores. Divide 72 rolls into 2 groups so the ratio is 3 to 5. (please include your wor
natali 33 [55]
\sf 3:5 \to 3x:5x\\\\3x +5 = 8x\\ 8x = 72\\ x = 9\\\\9\times 3 =27\\9\times 5 =45\\ 27+45=72\\\\so~ the~ 2~ groups ~are~ 27~ and~ 45
8 0
3 years ago
What is the volume of the triangular prism​
mestny [16]

Answer:

  • 308 cm³

Step-by-step explanation:

<u>The volume is:</u>

  • V = Bl = 1/2(ah)l
  • V = 1/2(7*8)*11 = 308 cm³
3 0
3 years ago
Read 2 more answers
Other questions:
  • Marna is playing game where you score -5 points each time you guess the correct answer. The goal is to get the lowest score . To
    11·1 answer
  • The Johnson’s great room is rectangular , 30 feet by 25 feet and has a 12-foot ceiling. How many square feet of carpet is needed
    11·1 answer
  • What percent of 150 is 60?
    5·2 answers
  • P(5. - 5), y=3x+3<br> Write an equation for the line in point-slope form
    11·2 answers
  • A circle has a diameter of 14 meters. What is the circumference?
    5·2 answers
  • Find the 40th term of the following arithmetic sequence: 16, 6, –4, –14.
    7·1 answer
  • The base of a jewelry box is covered with 120 square tiles that are 1 cm on each side. If the volume of the box is 600 centimete
    8·2 answers
  • Find the area of the shaded figure in the diagram below. Use 3.14 for π and round your answer to the nearest hundredth.
    5·1 answer
  • Find the common ratio of the geometric sequence -14, -84, -504,
    8·1 answer
  • CD player: $142.00<br>Sales tax: 5.5%​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!