Login
Remember
Register
EasyElimu Questions and Answers
Questions
Unanswered
Tags
Users
Ask a Question
Ask a Question
Find the value of x and y in the equation xy=4 x+y=5
0
votes
140
views
asked
Nov 8, 2021
in
Mathematics Form 2
by
billyochizzz
Find the value of x and y in the equation xy=4 x+y=5
quadratic equations and expressions
Please
log in
or
register
to answer this question.
3
Answers
0
votes
answered
Nov 9, 2021
by
luvansz
X=4/y
x+y=5
4/y+y=5 multiple each by y
4+y²=5y
y²-5y+4=0
Sum=-5 product=4
numbers -4,-1
y²-4y-y+4=0
y(y-4) -1(y-4)=0
(y-1)(y-4)=0
y-1=0 y-4=0
y=1 or 4
Xy=4
x=4
Please
log in
or
register
to add a comment.
0
votes
answered
Nov 9, 2021
by
billyochizzz
That is the correct answer ,bravo
Keep it up
Please
log in
or
register
to add a comment.
0
votes
answered
Oct 31, 2022
by
0722670XXX
X=4 y=3
Please
log in
or
register
to add a comment.
Related questions
0
votes
7
answers
solve simultaneous equation xy=4 x+y=5
asked
Sep 26, 2021
in
Mathematics Form 3
by
hafsa12
surds
0
votes
1
answer
Without using a calculator or tables, find the value of y given that y = (a+b) (x – c)2 and a = 5 , b =6 ,x = −3 and c = 2.
asked
Aug 13, 2021
in
Mathematics Form 1
by
anony mous
algebraic expressions
0
votes
1
answer
A line which joins the point A(3, k) and B(-2, 5) is parallel to another line whose equation is 5y + 2x = 10. Find the value of K.
asked
Aug 27, 2021
in
Mathematics Form 2
by
anony mous
gradient and equations of straight lines
the x and y intercepts of a line
0
votes
1
answer
Find the value of x in the equation.
asked
Aug 13, 2021
in
Mathematics Form 2
by
anonymous
trigonometry
0
votes
0
answers
The diagonals of a rectangle P, Q,R,S intersect at (5,3). Given that the equation of line PQ is 4y-9x=13 and that of line PS is y-4x=5. Find.a) The co-ordinate of pb) The co-ordinate of Rc)The equation of line RQd) The equation of a perpendicular line drawn to meet PR at (5,3)
asked
Jul 4, 2022
in
Mathematics Form 2
by
LeonOduor
gradient and equations of straight lines
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.
Categories
All categories
Mathematics
(544)
Mathematics Form 1
(237)
Mathematics Form 2
(150)
Mathematics Form 3
(137)
Mathematics Form 4
(20)
English
(260)
Kiswahili
(507)
Chemistry
(588)
Physics
(580)
Biology
(590)
Geography
(513)
History
(538)
CRE
(328)
IRE
(52)
Agriculture
(496)
Business Studies
(350)
Computer Studies
(14)
Home Science
(60)
General Questions
(91)
5.5k
questions
6.7k
answers
6
comments
590
users
...