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Kobotan [32]
2 years ago
9

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

Mathematics
1 answer:
miss Akunina [59]2 years ago
3 0

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

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