Asked by me, thats who
find the solutions to the system
y= x^2 + 8x +2
y= 7x +4
A (-2,-10) and (1,11)
B (2,10) and (-1,-11) my answer
C (-2, -34) and (1,11)
D No solutions.
y= x^2 + 8x +2
y= 7x +4
A (-2,-10) and (1,11)
B (2,10) and (-1,-11) my answer
C (-2, -34) and (1,11)
D No solutions.
Answers
Answered by
oobleck
since y = 7x+4,
x^2 + 8x + 2 = 7x + 4
Now just solve for x as usual, and then y = 7x+4
x^2 + 8x + 2 = 7x + 4
Now just solve for x as usual, and then y = 7x+4
Answered by
Kenny
y= x^2 + 8x +2.....(*)
y= 7x +4.......(**)
----------------------------
Equating *&**
x²+8x+2=7x+4
x²+x-2=0
Factored as
(x-1)(x+2)=0
x=1or -2
Insert those values into
Y=7x+4
to find y respectively
Hmmm none of my x value suit the options
y= 7x +4.......(**)
----------------------------
Equating *&**
x²+8x+2=7x+4
x²+x-2=0
Factored as
(x-1)(x+2)=0
x=1or -2
Insert those values into
Y=7x+4
to find y respectively
Hmmm none of my x value suit the options
Answered by
Kenny
Forget about my last statement.....did scan through the options properly
x=1
y=11
x=1
y=11
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