amcb76 amcb76
  • 15-04-2020
  • Mathematics
contestada

y = -2x2 + 10 y = -2x – 2

Respuesta :

picturepu
picturepu picturepu
  • 15-04-2020

Answer:

x = 6

y = - 14

Step-by-step explanation:

[tex]\left \{y=-2x2 + 10y} \atop {y=-2x -2}} \right.[/tex]

  1. -2x × 2 + 10 = - 2x - 2
  2. x = 6
  3. y = -2 × 6 - 2 = - 14
Answer Link
ghanami
ghanami ghanami
  • 15-04-2020

Answer:

Step-by-step explanation:

hello :

y = -2x² + 10

y = -2x – 2

-2x²+10 = -2x-2

2x²-2x -12 = 0

x²-x-6 = 0

(x-3)(x+2)=0

x-3=0 or x+2=0

x=3 or x=-2

but  y = -2x-2

if ; x=3     y = -2(3)-2 =-8

if : x=-2     y=-2(-2)-2=2

two solutions : (3 , -8)  and (-2 , 2)

Answer Link

Otras preguntas

Should American rights be protected by the states they live in, not by the federal government.
how many types of modeling clay are there . please write more than 5 .​ I will give brainliest
why staying at home all the time is not good for a person?​
simplify . 7(8-1)+(-1) ^)2/1+2^2
PLEASE HELP I WILL MARK BRAINLYST!!!
What's the common denominator of 1/9and 11/4 ..fractions?
WILL MARK BRAINLIEST You have a $25 calling card. Calls made using the card within the United States cost $.10 per minute while calls made from the US to Franc
the difference between two numbers is 9. three times the smaller is equal to twice the larger. what are the numbers?
Oposite of 35 feet below sea level?
the admission charge for a family at a museum is $7.50 for the first person and $4.25 for each additional member of the family. how many people are in a family