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
Bogdan [553]
3 years ago
8

Factorise x^2-y^2-2x+6y-8

Mathematics
1 answer:
Talja [164]3 years ago
3 0
X^2 - y^2 - 2x + 6y - 8 
<span>= (x^2 - 2x + 1) - (y^2 - 6y + 9) - 8 - 1 + 9 </span>
<span>= (x - 1)^2 - (y - 3)^2 </span>
<span>= [(x - 1) - (y - 3) ] [(x - 1) + (y - 3)] </span>
<span>= (x - 1 - y + 3) ( x - 1 + y - 3) </span>
<span>= (x - y + 2) (x + y - 4)</span>
You might be interested in
PLZZ HELP
kupik [55]

Answer:

A) (-2,0) and (6,0)

B) (0,-12)

C) (2,-16)

Step-by-step explanation:

In the graph you see below, you can tell that the two x intercepts are at (-2,0) and (6,0), while the y intercept is at (0,-12). You can also see that the vertex is at (2,-16). Hope this helps!

6 0
3 years ago
If the Quadratic functions for the equations are graphed, which is the widest?
Amanda [17]

y = ax^2

If the absolute value of a is <1 the graph is wider than when a = 1

If the absolute value of a is >1 the graph is narrow than when a = 1

The only function that fits that description is  

y = 2x^2

7 0
3 years ago
According to cbs money watch, the average monthly household cellular phone bill is $100. suppose monthly household cell phone bi
iren2701 [21]
<span>The probability that a randomly selected monthly cell phone bill is more than $127 is given by

P(X\ \textgreater \ 127)=1-P(X\ \textless \ 127) \\  \\ =1-P\left(z\ \textless \  \frac{127-100}{11.35} \right)=1-P(z\ \textless \ 2.38) \\  \\ =1-0.99132=0.00868</span>
5 0
3 years ago
What are the factors of the mathematical expression 24p-27p²​
Vlad [161]

Answer:

1expn=3p

2expn=8-9p

3p(8-9p)

6 0
2 years ago
Read 2 more answers
Suppose you needed $ 22 comma 000$22,000 to maintain a particular standard of living in 19781978. How much would you have needed
wlad13 [49]
Sorry i dont know this is kind of tricky
5 0
2 years ago
Other questions:
  • Which polynomial, when added to the polynomial 5x^2–3x–9, is equivalent to:<br><br> x^2–5x+6?
    6·1 answer
  • Factor completely 4x^2-1
    9·1 answer
  • 1. What Asian country's flag has the MOST colors? *
    9·2 answers
  • Multiply.
    7·1 answer
  • Daniela sells handmade purses for $22. She
    14·1 answer
  • Select all answers that apply asap
    11·2 answers
  • Do Number 20 PLEASE I have 2 go to sleep so someone Answer this
    6·2 answers
  • The perimeter of a square is 28ft. can you conclude that area of the square is 49 square feet? Explain.
    9·1 answer
  • 55 points.<br>Please simplify it .<br>Don't answer of your don't know.<br>​
    15·2 answers
  • Find two consecutive whole numbers that<br> 124 lies between.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!