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
Natalka [10]
3 years ago
9

Which equation represents y= -x^2 + 6x + 7 in vertex form ?

Mathematics
1 answer:
Drupady [299]3 years ago
7 0

we are given

y= -x^2 + 6x + 7

we can use vertex form parabola formula

y= a(x-h)^2+k

so, we can complete x square

y= -(x^2 - 6x - 7)

y= -(x^2 - 6x - 7+3^2-3^2)

y= -(x^2 - 6x +3^2-16)

y= -(x-3)^2+16

so, option-A........................Answer

You might be interested in
Find xyz (plz answer it properly )
Airida [17]

Answer:

<ABC=50

<EDB=30

<DFC=60

Step-by-step explanation:

<ABC=50 BECAUSE ANGLE SUM PROPERTY

90+40+50=180

<EDB=30 BECUSE ANGLE SUM PROPERTY

100+50+30=180

<DFC=60 BECAUSE ANGLE SUM PROPERTY

30+90+50=180

HOPE IT HELPS <3<3

PLZ RATE  IT

3 0
3 years ago
he sum of the first two terms of a G.P is 27 whereas the sum of the second and third term is 54. Find the first term and the com
viktelen [127]

Answer:

{ \tt{sum =  \frac{a(r {}^{n - 1} )}{n - 1} }} \\ 27 =  \frac{a(r {}^{2 - 1} )}{2 - 1}  \\ { \bf{27 = ar -  -  - (i)}} \\  \\ 54 =  \frac{a( {r}^{3 - 1} )}{3 - 1}  \\ { \bf{108 = a {r}^{2} -  -  - (ii) }} \\ { \tt{(ii) \div (i) : }} \\ r =  \frac{108}{27}  \\ { \bf{common \: ratio = 4}} \\ { \bf{first \: term =  \frac{27}{4}  }}

7 0
3 years ago
Someone help me pls​
vodka [1.7K]

Answer:

16km/h

Step-by-step explanation:

1h = 60m

165m = 44km

60m = \frac{60}{165} × 44km

       = 16km

4 0
3 years ago
Two straight lines that intersect at a right angle are __?__ to each other.
GaryK [48]

Answer: perpendicular lines

Step-by-step explanation:

look up "Two straight lines that intersect at a right angle"

4 0
3 years ago
Read 2 more answers
So sorry -this is not a question but since I have no friends im tellling you guys.........I MET HARRY STYLES!!!!!!!!!!!!!!!!!!!!
V125BC [204]
Wow... good job
I hope you get along very well
7 0
3 years ago
Read 2 more answers
Other questions:
  • The Harrison family drove a total of 857.25 miles in 3 days. On the first day they drove 298.5 miles, and on the second day they
    15·1 answer
  • 19/25 in simplest form
    7·2 answers
  • 8 is 40% of what number!<br> EXPLAIN please!! <br> Thank you!!
    11·1 answer
  • Solve the equation -0.5y = -0.73
    11·2 answers
  • Which property states that any element is equivalent to itself?
    6·2 answers
  • Q1) f(x) = 2x^2 - 5x, g(x) 3x^2 find f(2)
    5·1 answer
  • Mario makes 6 free throw shots out of his first 10 attempts.
    5·2 answers
  • Factor the linear expression 15x-10 using the greatest common factor of the terms
    14·1 answer
  • I will mark brainlist
    9·2 answers
  • What is the equation of the line graphed below
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!