maggiemon6 maggiemon6
  • 04-05-2017
  • Mathematics
contestada

How many solutions does the system have?

{y=−2x+2
{y=x^2−3x



Enter your answer in the box

Respuesta :

irspow
irspow irspow
  • 04-05-2017
If a solution(s) exists y=y so we can say:

x^2-3x=-2x+2  add 2x to both sides

x^2-x=2  subtract 2 from both sides

x^2-x-2=0  factor

(x-2)(x+1)=0

So x=-1 and 2, using y=-2x+2 we find:

y(-1)=4 and y(2)=-2

So the two solutions occur at the points:

(-1,4) and (2,-2)
Answer Link
gregtheegg27
gregtheegg27 gregtheegg27
  • 15-03-2019

Answer:it has 2 solutions

Step-by-step explanation: Just took the quiz

Ver imagen gregtheegg27
Answer Link

Otras preguntas

Write a decimal equation that has a product of 3.15 ( do not use 1 as a factor?
As the wavelength increases, the frequency (A) decreases and energy decreases. (B) increases and energy increases. (C) decreases and energy increases. (D) incre
How would the defeat of Russia by Germany have affected the strategic position of great Britain and the united states
explain how you know that 7/12 is greater than 1/3 but less than 2/3
I'm havingn trouble in math. What's 3/4 - 2/5 in fraction form?
15% of what number is 12
Where might a slave captured farther south along the African coast, in the equatorial regions (around the equator), most likely have been shipped? A. North Amer
why would a 100 pound person weigh only 17 pounds on the moon
please help! i need to write sentences with the words comically and tropically
A number multiplied by itself, then added to five