Հարց 114

Which tables show y directly proportional to x? Select all that apply.

Pairs (1, 4), (3, 12), and (5, 20)Ճիշտ պատասխան
Pairs (1, 5), (2, 9), and (3, 13)
Pairs (2, 7), (4, 14), and (9, 31.5)Ճիշտ պատասխան
Pairs (3, 8), (6, 15), and (12, 29)

Բացատրություն

The pairs 1 to 4, 3 to 12, and 5 to 20 all have quotient 4, while the pairs 2 to 7, 4 to 14, and 9 to 31.5 all have quotient 3.5. The table beginning with 1 to 5 is the closest false set because its later quotients change even though both columns keep increasing.

Բացատրություն

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