Given:
Required:
We need to find the solution by Vièta's theorem.
Explanation:
Compare 1st equation with
we get
Vièta's theorem is
now solve this equation and we get
because addition of 1 and 2 is 3 and multiplication is 2
Now for 2nd equation
apply Vièta's theorem
by this
because addition of 3 and -5 is -2 and multiplication is -15
A, B are true for part 1, but part 2 for B is false.
A is the answer
Answer:
Step-by-step explanation:
y = 1/3x + 6
y = 1/4x + 3
this is just a matter of substitution...subbing in one y for the other
y = 1/3x + 6.....so sub in 1/3x + 6 in for y, back into the second equation or u can work it the other way and sub in 1/4x + 3 in for y, back into the first equation....either way will work
1/3x + 6 = 1/4x + 3
1/3x - 1/4x = 3 - 6
4/12x - 3/12x = -3
1/12x = -3
x = -3 * 12
x = - 36
now sub that back into either of ur original equations to find y
y = 1/3x + 6
y = 1/3(-36) + 6
y = - 12 + 6
y = - 6
solution is : x = -36 and y = -6 or (-36,-6)
Answer:
10000*3.4
Step-by-step explanation:
you add o each time
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