Question

Y a√x and y =8 when x = 4 then the value of y is_ when x=9?​

Answer 1

Answer:

plz mark me sa braniliest soory jdont know the answer plz plz

Answer 2

Answer:

when X=9

Y=12

Step-by-step explanation:

$given \: y = a \sqrt{x} \: and \: y = 8 \\ \\then \\ \: \: \: a \sqrt{x } = 8 \\ when \: x = 4 \\ = > a \sqrt{4} = 8 \\ = > 2a = 8 \\ = > a = \frac{8}{2} \\ = > a = 4 \\ \\ when \: x = 9 \\ = > y = a \sqrt{x} \\ = > y = 4 \sqrt{9} \\ = > y = 4 \times 3 \\ = > y = 12$