Quad Equations

Question 1

How do you solve rectangle questions

Answer 1

1) you write out dimensions in area formula
2) you get rid of bracket and make =0
3)put into quad equation and use the + version and then add/ sub how much more other side is (or do the - version but make pos)

Question 2

How do you solve p and sum questions

Answer 2

1) you write as n+m=sum or n•m=product
2) isolate on variable then sub into other equation - get rid of bracket and make =0
3)put into factored form so opposite signs and then set =0 and solve

Question 3

How to find roots

Answer 3

You look to see how many x int

Question 4

How to do do price per to get revenue questions

Answer 4

1)set equation revenue value to the one in question then graph y1 and y2
2) graph to find x-int then times by price increase
3)combine so( if pos add neg sub) from price per item

Question 5

X-int to standard form

Answer 5

factored form so put opposite signs in () then foil and distribute a value to bracket