Solve the equation 4y^2=15+7y and hence solve the equation 4(9^x)=15+7(3^x)

57 732

step-by-step explanation:

i dont really.know

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7

hello from mrbilldoesmath!

answer:   x^2 + y^2 = 1024

discussion:

the equation of a circle with center (h,k) and radius "r" is

(x-h)^2 + (y-k)^2 = r^2.

in our case

(x-0)^2 + (y-0) ^2 = 32^2 = 1024

you,

mrb