Question

Use the formula y = Kx to find K when: a. x = 3, y = 21 , K = b. x = 4, y = 24, K =

Answer 1

Step-by-step explanation:

a.

$y = kx \\ 21 = k \times 3 \\ 21 \div 3 = \frac{(k \times 3)}{3} \\ 7 = k$

b.

$y = kx \\ 24 = k \times 4 \\ \frac{24}{4} = \frac{(k \times 4)}{4} \\ 6 = k$