2 years ago

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:

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

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

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