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
o-na [289]
3 years ago
15

Solve the equation algebraically. x^2-7x-1/7=0

Mathematics
1 answer:
valentina_108 [34]3 years ago
7 0

Answer:

x1=\frac{49+\sqrt{2429}}{14} \\x2=\frac{49-\sqrt{2429}}{14} \\

Step-by-step explanation:

x^2-7x-\frac{1}{7} =0\\7x^2-49x-1=0\\D=b^2-4ac=(-49)^2-4*7*(-1)=2429\\x1=\frac{49+\sqrt{2429} }{14} \\x2=\frac{49-\sqrt{2429} }{14} \\

You might be interested in
A bookstore sells used books for $8 each. Let n represent the number of books. The cost for n books is 8 xn or 8n.
zalisa [80]
The unknown quantity is the books
6 0
2 years ago
What is the factorization of the polynomial below?<br> 9x2 - 16
Agata [3.3K]

use (a-b) (a+b )

(3x+4) (3x- 4)

8 0
2 years ago
Read 2 more answers
Quy tắc suy luận nào là cơ sở của suy diễn sau: "Biết rằng: 2 đường thẳng d và d' song song hoặc cắt nhau. Ta đã có d không song
Travka [436]

Answer: a

Step-by-step explanation:

4 0
2 years ago
7x+11 &gt;5x-5 Can someone helpp
PSYCHO15rus [73]

Answer:

x>-8

Step-by-step explanation:

7x+11>5x-5

2x+11>-5

2x>-16

x>-8

the > sign acts like an equal sign :)

7 0
3 years ago
Read 2 more answers
Find the solution to the system of equations.
Anna [14]
No solution it’s infinite
5 0
2 years ago
Other questions:
  • How much money is 200 quarters 150 dimes and 300 pennies?
    5·1 answer
  • The perimeter of a square is 100 feet and area is 625 square feet . what is the length of each side
    13·2 answers
  • 0.18(y-9)+0.06y=0.04y-0.9
    8·1 answer
  • Simplify using order of operation 18+4×3
    12·2 answers
  • 3 folders cost $2.91. How much do 2 folders cost? Provide explanation.
    5·1 answer
  • Can someone plz help me?
    13·1 answer
  • What is 1/2 of simplified in fraction form
    9·1 answer
  • Wendy keeps her hamster, Fluffy, in a cage shaped like a rectangular prism that is 20 inches long, 14 inches wide,
    5·1 answer
  • Luis, using appropriate safety precautions, fires a .22 caliber gun directly into the sky above him. The bullet travels at a spe
    9·1 answer
  • Part B What was the value of trade between Canada, the United States, and Mexico in 19933
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!