y = 30 when x = 5 k = 10 Yes, proportional relationship Additive, not multiplicative Linear relationship y = 3/2x Direct variation y = 60 when x = 12 Constant ratio = 2.5 k = 8 k = 7 Proportional y = 84 when x = 12 y = 90 when x = 6 Unit rate = 7 Equation is missing constant Ratio not equivalent k = 12.5 y = 25 when x = 15 Unit rate = 4.9 y = kx Equivalent fractions Not equivalent fractions y = 4x Constant ratio = 3 No, not proportional relationship Unit rate = 1.33 Constant ratio = 1.5 Ratios all equal k = 0.5 k = 6 y = 10x Constant ratio = 2 Unit rate = 2.25 Table shows proportionality y = 0.5x Not proportional Multiplicative pattern Table does not show proportionality y = 30 when x = 5 k = 10 Yes, proportional relationship Additive, not multiplicative Linear relationship y = 3/2x Direct variation y = 60 when x = 12 Constant ratio = 2.5 k = 8 k = 7 Proportional y = 84 when x = 12 y = 90 when x = 6 Unit rate = 7 Equation is missing constant Ratio not equivalent k = 12.5 y = 25 when x = 15 Unit rate = 4.9 y = kx Equivalent fractions Not equivalent fractions y = 4x Constant ratio = 3 No, not proportional relationship Unit rate = 1.33 Constant ratio = 1.5 Ratios all equal k = 0.5 k = 6 y = 10x Constant ratio = 2 Unit rate = 2.25 Table shows proportionality y = 0.5x Not proportional Multiplicative pattern Table does not show proportionality
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y = 30 when x = 5
k = 10
Yes, proportional relationship
Additive, not multiplicative
Linear relationship
y = 3/2x
Direct variation
y = 60 when x = 12
Constant ratio = 2.5
k = 8
k = 7
Proportional
y = 84 when x = 12
y = 90 when x = 6
Unit rate = 7
Equation is missing constant
Ratio not equivalent
k = 12.5
y = 25 when x = 15
Unit rate = 4.9
y = kx
Equivalent fractions
Not equivalent fractions
y = 4x
Constant ratio = 3
No, not proportional relationship
Unit rate = 1.33
Constant ratio = 1.5
Ratios all equal
k = 0.5
k = 6
y = 10x
Constant ratio = 2
Unit rate = 2.25
Table shows proportionality
y = 0.5x
Not proportional
Multiplicative pattern
Table does not show proportionality