+0  
 
0
315
1
avatar

A and B are constants such that the graphs of xy = B and y = Ax^2 + B intersect at the points (2,8).  Write the ordered pair (A,B).

 Jun 12, 2021

Best Answer 

 #1
avatar+36915 
+2

xy = b    sub in the point given

2*8 = b = 16

 

y = a x^2 + b      sub in the point given....and b

8 = a (2^2) + 16

8 = 4a + 16

-8 = 4a

a = -2

 

-2,16

 Jun 12, 2021
 #1
avatar+36915 
+2
Best Answer

xy = b    sub in the point given

2*8 = b = 16

 

y = a x^2 + b      sub in the point given....and b

8 = a (2^2) + 16

8 = 4a + 16

-8 = 4a

a = -2

 

-2,16

ElectricPavlov Jun 12, 2021

7 Online Users

avatar
avatar
avatar
avatar
avatar
avatar
avatar