Answer: To find a residual you must take the predicted value and subtract it from the measured value.
Step-by-step explanation:
Answer:
k = +10 or -10
It's given in the question that the roots of the eqn. are real and equal. So , the discriminant of the eqn. should be equal to 0.
I think its 132.
5
8
explanation
b2=ac
16=2x
x=8