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anonymous
 one year ago
ALGEBRA 2
***WILL BECOME FAN AND GIVE MEDAL***
Solve the following system of equations and show all work.
y = −x2 + 4
y = 2x + 1
anonymous
 one year ago
ALGEBRA 2 ***WILL BECOME FAN AND GIVE MEDAL*** Solve the following system of equations and show all work. y = −x2 + 4 y = 2x + 1

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Plasmataco
 one year ago
Best ResponseYou've already chosen the best response.2replace the bottem equations with Y on the top equation.

Plasmataco
 one year ago
Best ResponseYou've already chosen the best response.2add X^2 and subtract 4 from both sides to get X^2+2x3

Plasmataco
 one year ago
Best ResponseYou've already chosen the best response.2the simplify to get (X1)(X+3)

Plasmataco
 one year ago
Best ResponseYou've already chosen the best response.2X can be either 1 or 3.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so that's the answer?

Plasmataco
 one year ago
Best ResponseYou've already chosen the best response.2simplify it to (X1)(X+3)

Plasmataco
 one year ago
Best ResponseYou've already chosen the best response.2then, for (X1)(X+3)=0, X could be 1 or negative 3.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0x^2 + 3x x  3 x^2 + 2x 3

Plasmataco
 one year ago
Best ResponseYou've already chosen the best response.2sub it in so Y=2X+1, X=1, Y=3. (1,3) when X=3 Y=5 so (3,5)

Plasmataco
 one year ago
Best ResponseYou've already chosen the best response.2don't multiply both of them.

Plasmataco
 one year ago
Best ResponseYou've already chosen the best response.2make separate equations like X1=0 and X+3=0

Plasmataco
 one year ago
Best ResponseYou've already chosen the best response.2then, look up to see the rest.
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