Orange County College MATH A115: Exam 4

"Tho Pham
Esxam A
X Y
1) Find slope (45 u) 9 (5,2)
M:fi_l.. = 2 = ‘H_ .g..
Xe™X, -5 _|5 |20

o?) P(bO) & (s powau.u( 4‘0 'HK-&GU:‘IL

A € Gy = -4 ge mx by

£y Ttheod 1L +b§ 5 05 7 (3) ¢k
9= -1 -1 P (3,0 0- -33
/"é d 7 =D b-.?s;’o ="
[
m-.—_g PR



"&5 ’_(_‘;w ]


3) Equation U= A4uod -9 4t
> V- -42. 4t+qquco o

This @3 */& w&«% 0, VCO) o?éz.oz(\o% 4%&0
m&o*dw% - 2 44400
D The what woder i He Fomk
- | wan 44 400 Gallons . |
> The volume is dasesoning by 09 . 9 Gallons por- minte.
becou Hhe rode o«fcewz,e,fs negative .

, LI> Sol»c %wh’on lgj % qm(hc M


02)(?—-& 5,((. lZ:B a- ¢ b- 3 c= 9


Lx* +3x +9=0 X:"bl«]bt- diac
‘ o
X —5‘.*:\‘(—5)1-4(.2)(‘1)‘ 34 €9y 72
2 (2) ”

= -3r4\-c3
(’


=751 ‘\
3i{y
I.'


L
[ f 3 B
EY:
! —5- !'J\




5)3 2xT-bx ¥
a=14 b--¢ cz¢
i)Snwa 4_)0 Pamloola OME


2) Verkex: x—p—?-;:—_(;) :2§:5
1 20
2 (2)*-6(%)+%: 9- /lS'+2~—i
.S Ue/‘ko(‘.i | (5, -4.) ) L A)Ams of gflmmd*n
: 0 ' “The axis o} Sym o He verhicl
5) Y-int: Set x = line that pusses Hhrauy o vertex
Y= (0)*-6(0)% = § D wchvcverm CS -4,
=) Y- int HO,&)‘ ;)30,"‘6\1—00‘5 of-gtjvn Ix-3