laz8ardlogaconnonel laz8ardlogaconnonel
  • 01-04-2017
  • Mathematics
contestada

What is the vertex of this equation?
y=-x^2+10x-21

(5, 4)

(1, -9)

(-4, -2)

(7, -3)

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 25-09-2019

Answer:

  (5, 4)

Step-by-step explanation:

The equation can be written in vertex form by adding and subtracting 25:

  y = -(x^2 -10x +25) -21 +25

  y = -(x -5)^2 +4

Then the vertex can be identified as (5, 4).

Ver imagen sqdancefan
Answer Link

Otras preguntas

Michael washes the Gomez family’s cars once a month they pay him $25 every 3 months for his work at this rate how much will Michael earn in one year ?
Which graph represents the function f(x)=|x+2|+1
It was during the Second Continental Congress that the delegates realized they needed a stronger central authority than the Continental Congress. So, what was p
cells grow in order for to grow and represents
Which expressions have an equal value to the following expression? - 2/3 - (- 5/6)
Is this a function? (For a & b) I don't get this...
2x-3=1/3(5-g) solve for the given variable G
Multiply. (7.1×104)⋅(4.8×103)
What the length of a cube having a volume of 1331 ft3
There are 2 cats on each house roof, and there are 15 cats on the ground. The table shows how the number of cats, c, depends on the number of houses, h. Choose