Which of the following equivalent equations best reveals the possible locations on the roller coaster where boarding or disembarkation takes place?

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is defined to be why Zero All right The question

here which of the following equivalent equations best reveals the

possible locations on the roller coaster where boarding or AH

disembarking or vomiting takes place after the ride is finished

Like Southwest Airlines You know you got the A and

the B and the losers and see weigh them All

right What are we looking for here Nothing Absolutely nothing

Say it again before you let out a whoop and

move onto the next problem here Us out The nothing

we need to find here are the zeros i e

The ex intercepts because that's the height at which passengers

board right You're going to board on ground level and

then you take off So we have a quadratic tried

and true method going forward here Factor it If we

can and set the whole thing equal to zero we'll

just skip that last step because well we want the

equation with why intact That makes the X intercepts stand

out like you know my grandma Metallica Okay well there's

equation and then they were going to factor it out

So we're gonna pull out a negative x here and

next there and then a three Tempting to fifteen actually

See the naked forty five to the equation has a

clean factored form available here And it's why equals negative

X plus three and Acts minus 15 and answers a 00:01:35.67 --> [endTime] no roller coaster there That was a easy ride