Looking for some Zeros by

Looking for some Zeros by https://padlet.com/krizekk/period1GroupA Finding the x-values so that f(x)=0. en-us 2017-11-15 22:05:39 UTC 2024-12-12 22:21:12 UTC hello@padlet.com Problem ashlee_j_rice https://padlet.com/krizekk/period1GroupA/wish/212025430 Graph f(x)= x³+ 3x² -25x-75]]> 2017-11-30 19:05:23 UTC https://padlet.com/krizekk/period1GroupA/wish/212025430 Graph of Function ashlee_j_rice https://padlet.com/krizekk/period1GroupA/wish/212027206 Made using Desmos Graphing Calculator]]> 2017-11-30 19:08:32 UTC https://padlet.com/krizekk/period1GroupA/wish/212027206 Parent Cubic Function ashlee_j_rice https://padlet.com/krizekk/period1GroupA/wish/212028969 f(x)=x³]]> 2017-11-30 19:12:01 UTC https://padlet.com/krizekk/period1GroupA/wish/212028969 Identifying The Zeros ashlee_j_rice https://padlet.com/krizekk/period1GroupA/wish/212029308 f(x)= x³ + 3x² - 25x- 75
f(x)=0
x³ + 3x²- 25x - 75=0
x² (x+3)-25 (x+3)= 0
(x²-25) (x+3)= 0
(x-5)(x+5)(x+3)=0

Zeros are x=5, x=-5, and x=-3

]]> 2017-11-30 19:12:42 UTC https://padlet.com/krizekk/period1GroupA/wish/212029308 X-Intercept Points of Graph ashlee_j_rice https://padlet.com/krizekk/period1GroupA/wish/212033783 Made using Desmos Graphing Calculator

(-5,0) (-3,0) and (5,0)]]> 2017-11-30 19:20:51 UTC https://padlet.com/krizekk/period1GroupA/wish/212033783 Identifying Y-Intercept ashlee_j_rice https://padlet.com/krizekk/period1GroupA/wish/212035368 f(0) is the y-intercept.

f(0)= (0)³+3(0)²-25(0)-75
f(0)= -75

So, the y-intercept is (0,-75).]]> 2017-11-30 19:23:40 UTC https://padlet.com/krizekk/period1GroupA/wish/212035368