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

Which of these is likely to result in the most competition? a. organisms that live in different ecosystems b. organisms that use the same resource c. organisms
Exercises that improve cardiovascular fitness improve body composition, because they.
Which of the following would be considered a primary source? a. a biography about Winston Churchill b. an audio recording of Winston Churchill c. a timeline
A metaphor depends upon the connotations of words representing the things being compared. true or false?
what number is 25 percent of 400?
Can anybody unscramble these for me? They are parts of the body. a. sultgue b. cohealc c.actactar
What's two ways that are alike for the like fractions
what two numbers add up to -19 and have a product of 70
Which of the following type of ceramics is used for making bricks?
what is the quotient of 4/7 divided by 6