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

A dog runs 100 meters in 4 seconds. A lion runs 250 meters in 10 seconds. What is the difference in their speeds?
Answer to this question
margaret puts money into her savings account each month. in this example money is functioning as a
Question 10 of 15 Which organizational pattern best fits an essay that responds to this prompt?
Write out how you would describe the difference between rocks and minerals to a 5th grader. PLS HELP I WILL MARK BRAINLIEST!!!!
Why do immigrants face racism
Who is Jeff Bezos. Explain in 3-5 sentences if u get it right u get brainliest.
10. Given m and b, write the equation of the line: m=-4; b=2
Kwanzaa was their answer to what they understood as the ubiquity of white cultural practices that oppressed them as thoroughly as had Jim Crow laws." Based on t
Calculate the speed of an object from 0-1 sec.