Which of the following is a solution to 4x^2+8x-12=0

but which class are u may know that first

2/3=10/15

1/5=3/15

10+3=13/15

2 13/15 is the answer

the linear relationship that represents a variation in direct proportion is the linear function that varies according to the numbers of its domain, for example the cost of producing x number of items can be represented in direct proportion by f (x) = mx + b, where m is the constant of proportionality, x the number of articles produced and b the fixed cost

the answer is

a.

x = 42

y = 10

i got it down chief.