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
Ronch [10]
3 years ago
6

What is the equation for the quadratic function with roots -10 and -8 and a vertex at (-9, -3).

Mathematics
1 answer:
Mazyrski [523]3 years ago
3 0
Equation with roots -10 and -8 is: y = a(x + 10)(x + 8) = a(x^2 + 18x + 80) = ax^2 + 18ax + 80a . . . . . . . . (1)
Equation with vertex at (-9, -3) is y = a(x + 9)^2 - 3 = a(x^2 + 18x + 81) - 3 = ax^2 + 18ax + 81a - 3 . . . . . . . . (2)
From (1) and (2), we have
80a = 81a - 3
a = 3

Therefore, required equation is:
y = 3x^2 + 18(3)x + 80(3) = 3x^2 + 54x + 240
You might be interested in
Which lists all the integer solutions of the equation |x| = 7? –7 and 7 7 only 0 and 7 –7 only
bekas [8.4K]

Answer:

aa

Step-by-step explanation:

8 0
3 years ago
Which expression is equivalent to108--3?<br> O 5/3)<br> O 63<br> O 73i
Wewaii [24]

Answer:

(A) option

Step-by-step explanation:

becoz according to me when I solved this sum then answer was 5√3

4 0
3 years ago
What defining feature makes a material an insulator?
VladimirAG [237]
Able to reflect or absorb hot or cold temputures.
8 0
4 years ago
Plz help me!!!!!i need to get this correct plz help!!!
____ [38]

Answer:

Yes

Step-by-step explanation:

Yes they are because if you divide 18 by 3 you get six and if you divide 15 by 3 you get 5, so it simplifies to 6:3 which is the same as the ratio for rings

3 0
3 years ago
Determine if true:<br> 3x5+8=23
Yuliya22 [10]

Answer:

True

Step-by-step explanation:

3x5=15

15+8=23

23=23

4 0
2 years ago
Read 2 more answers
Other questions:
  • A sports club was formed in the month of May last year. The function below, M(t), models the number of club members for the firs
    5·1 answer
  • PLS HELP ME IVE BEEN TRYING
    5·1 answer
  • Find the dy/dx for the equation below using implicit differentiation. Tq
    7·1 answer
  • A cherry tree showdown is 12 meters long. Not far away, an elms tree showdow is 8 meters long. If the cherry tree is 9 meters ta
    7·1 answer
  • What does the symble for a fraction ​
    9·2 answers
  • Solve the formula P = 2l + 2w for w.
    9·2 answers
  • .
    10·1 answer
  • The Mulder Farm has 600 acres of land allotted for raising corn and wheat. The cost to cultivate corn is $40 per acre. The cost
    8·1 answer
  • Help please some one
    8·1 answer
  • A shipping company sells large boxes and small boxes. The dimensions of the large box are 3 times the dimensions of the small bo
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!