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
laila [671]
3 years ago
13

On the graph of y = x^ 2 - x - 2 represents

Mathematics
1 answer:
sineoko [7]3 years ago
6 0
Hello,

y=x²-x-2=x²-2*1/2*x+1/4-2-1/4=(x-1/2)²-9/4

1. Vertex=(1/2,-9/4)
2. if x=0 then  y=0²-0-2=-2
3.The roots:
x²-x-2=0
==>(x-1/2)²-9/4=0
==>(x-1/2-3/2)(x-1/2+3/2)=0
==>(x-2)(x+1)=0
x=2 or x=-1

4. axe of symmetry: x=1/2

You might be interested in
What's 187 divided by 7?
adell [148]
So,

187 divided by 7
187/7

Mixed: 26 5/7
Decimal: 26.714285 (there is a vinculum over the "714285")
3 0
3 years ago
Read 2 more answers
A bar graph in which the bars are arranged in frequency order is
Kruka [31]
It is the Pareto Graph. It is a bar graph in which bars are arranged in frequency order. Pareto graph is the combination of bar and line graph that displays the data in a descending order.  It has an 80/20 rule.
4 0
3 years ago
Rationalize the denominator and simplify. 5/4-√3
Yakvenalex [24]
I assume the denominator is (4-√3)
Multiple both top and bottom by (4+√3)
[5(4+√3)]/[(4-√3)(4+√3)]
=[20+5√3]/[4²-(√3)²]
=[20+5√3]/13
4 0
3 years ago
Given: y = -x - 6
arlik [135]

y=\dfrac{-x-6}{2}\qquad\text{multiply both sides by 2}\\\\2y=-x-6\qquad\text{subtract 2y from both sides}\\\\0=-x-2y-6\\\\\boxed{-x-2y-6=0}\qquad\text{change the signs}\\\\\boxed{x+2y+6=0}

3 0
3 years ago
Read 2 more answers
How many terms does the expanded form of (2x + 5)<br> have?
svetoff [14.1K]

Answer:

2

Step-by-step explanation:

2x and 5 = 2 terms

7 0
3 years ago
Other questions:
  • Write the equation in standard form y+3=3/5(x+5)
    6·1 answer
  • What is the value of x?
    10·2 answers
  • Katrina is solving the equation . Which equivalent equations might Katrina usex-2(x-3)=4(2x+3)-(x-4)? Check all that apply.
    13·2 answers
  • Solve for b.<br><br> 2b + 9 = b<br><br> b =
    10·2 answers
  • A bank records deposits as positive numbers and withdrawals as negative numbers.
    9·1 answer
  • Can yall help me with this:)
    15·1 answer
  • 6. Saritha can read 62 pages of a book in one day. How many pages can she read in 27 days? Estimate the number of pages and days
    11·1 answer
  • The car owned by a person is a part of his or her
    14·2 answers
  • Please help me i'm so bad at math
    5·2 answers
  • D(x) = -2|x^(2 )-3.6| for x= 5.5
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!