Louisa is purchasing a $125,000 home and her bank is offering her a 30 year mortgage at a 4.75% interest rate. in order to lower her monthly payment, louisa will make a 20% down payment and will purchase two points. what will her monthly mortgage payment be?

$506.69

Step-by-step explanation:

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b or 2, just plug these equations into your graphing calculator then check the graph to see the image. if it matches up then that's your answer!

solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.