What is the question from the assignments you need help with?
Step-by-step explanation
The change in Vivian’s elevation is a positive number because her elevation increased as she moved from the bottom back to the top.
The opposite of -25
to find the opposite of a number, just switch the sign
example : opposite of 3 is -3
opposite of -5 is 5
so the opposite of -25 is 25 <==
160-1
157+1
158X1
158/1
2x79
A quadratic equation can be written as: ax² + b.x + c =0
But if you know the values of the 2 roots x' and x", you can write it:
a(x-x')(x-x"), Since the roots are given ( x' = -4 and x" = -5) and also a (=2)
then the equation becomes:
2(x + 4)(x +5) =0