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

Sue’s dog needs 4 hours to reach her house which is 20 km away. At what speed does it travel?Sue’s dog needs 4 hours to reach her house which is 20 km away. At
A set has 127 proper subsets. How many elements are there in the set?
make x the subject of the formula y = b/ax
Need help as soon as possible before the test tomorrow.
A board, 73 cm long is cut into three pieces such that the second piece is twice as long as the first and the third is 3 cm longer than the second. Find the le
how long will it take for my dad to come back
2 Match the equivalent expressions. y²² 0 This shaded model represents 100%​
It was a bad day for sales ,with the shoppers drifting ————,unwilling to ———
Which word best describes the ending of Rats? A happy B quiet C weird D sad
Certainly! Here's a history question for you: Who was the first President of the United States, and what year did he assume office?