Answer:
The answer to your question is k = -3233
Step-by-step explanation:
Data
x₁, x₂ are the roots
Equation l x² - 8x + k = 0
Equation ll 3x₁ + 4x₂ = 29
k = ?
Process
1.- Write another equation
x₁ + x₂ = - 8
2.- Solve the system of equations by elimination
3x₁ + 4x₂ = 29 Equation l
x₁ + x₂ = -8 Equation ll
-Multiply equation ll by -3
3x₁ + 4x₂ = 29
-3x₁ - 3x₂ = 24
0 + x₂ = 53
-Find x₁
x₁ + 53 = -8
x₁ = -8 - 53
x₁ = -61
2.- Find k
(x₁)(x₂) = k
(53)(-61) = k
k = -3233
Answer:
The answer to your question is: the second option
Step-by-step explanation:
If two lines are parallel, then their slopes are the same
Slope of the lower line :
m = (-d - 0) / (0 + c)
m = -d / c
Slope of the upper line:
m = ( 0 - a) / (b - 0)
m = - a/ b
finally
-d/c = -a/b
Answer:
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