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raebaby420
 one year ago
Please help..
What are the solutions to the following system of equations?
y = x2 + 12x + 30
8x − y = 10
(−4, −2) and (2, 5)
(−2, −4) and (2, 5)
(−2, −4) and (5, 2)
No Real Solutions
raebaby420
 one year ago
Please help.. What are the solutions to the following system of equations? y = x2 + 12x + 30 8x − y = 10 (−4, −2) and (2, 5) (−2, −4) and (2, 5) (−2, −4) and (5, 2) No Real Solutions

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uri
 one year ago
Best ResponseYou've already chosen the best response.0@DebbieG Help her ^_^ Uri is proud of you.

DebbieG
 one year ago
Best ResponseYou've already chosen the best response.0What methods have you learned for solving a system? Substitution, elimination?

raebaby420
 one year ago
Best ResponseYou've already chosen the best response.0Elimination I think

raebaby420
 one year ago
Best ResponseYou've already chosen the best response.0And some substitution but I cant remember how to do that method

DebbieG
 one year ago
Best ResponseYou've already chosen the best response.0I would probably opt for substitution here, since you have a quadratic (a parabola) and a linear equation (a line). But either would work. If you solve the 2nd equation for y, then you have two equations that both give y as a function of x, right? E.g., you have y={some stuff} and y={some different stuff} so since y= both of those things, you can set them equal to each other.

DebbieG
 one year ago
Best ResponseYou've already chosen the best response.0When you do that, you'll have a single, quadratic equation to solve.

raebaby420
 one year ago
Best ResponseYou've already chosen the best response.0..... that makes no sense

DebbieG
 one year ago
Best ResponseYou've already chosen the best response.0What part didn't make sense? Here are your two equations: \[y=x^2+12x+30\]\[8xy=10\]Can you solve the 2nd one for y?

raebaby420
 one year ago
Best ResponseYou've already chosen the best response.0Idk how.. I only know how to solve the ones with Y on the other side of the equal sign

DebbieG
 one year ago
Best ResponseYou've already chosen the best response.0You just need to rearrange 8xy=10 so that the y is by itself. Try adding y to both sides: 8xy+y=10+y What do you get when you simplify that? Then subtract 10 from both sides.

raebaby420
 one year ago
Best ResponseYou've already chosen the best response.0IM SO FREAKING LOST

raebaby420
 one year ago
Best ResponseYou've already chosen the best response.0THANKS GUYS. I don't need any more help

DebbieG
 one year ago
Best ResponseYou've already chosen the best response.0@jessssloukaa the idea is not to do the problem FOR her.
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