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

Question

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

anonymous · Answer

@ivettef365  please helppp

anonymous · Answer

hope this helps :)) http://openstudy.com/study#/updates/5217503be4b00ebc7dc0e8bf

anonymous · Answer

maybe this one will be better :) http://openstudy.com/study#/updates/52174c66e4b00ebc7dc0e810

ybarrap · Answer

$$
	t \bf\ 
\Large y = x^2 + 12x + 30\
\Large 8x - y = 10 \implies y=8x-10\  
\Large 	ext{Set equal:}\
\Large x^2+12x+30=8x-10\
\Large x^2+4x+40=0\
\Large (x+2)^2+40-4=0\
\Large (x+2)^2=-36\
\Large x+2=\pm i\sqrt{36}\
\Large x=-2\pm i\sqrt{36}\
\Large 	ext{roots are complex}
$$