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Proportional Relationships

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    Math
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  • The equation y = 7.6x represents a proportional relationship. What is the constant of proportionality?
    B
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  • Are the numbers of green and purple beads in Mia’s picture frames proportional? Write an equation that relates the number of purple beads, p, to the number of green beads, g
    Yes, p= 7/2 g
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  • Are the numbers of green and purple beads in Riley’s picture frames proportional? Write an equation that relates the number of purple beads, p, to the number of green beads, g.
    No; p = g + 3
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  • What is the constant of proportionality, and what does it mean in this situation?
    150; The machine folds 150 sheets in 1 minute
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  • See the image
    C
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  • See image
    B
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  • See image
    1, 2 ,4
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  • Do the number of books and the cost have a proportional relationship? Explain.
    Yes; Sample answer: The graph is a line that passes through the origin
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  • . Mealworms are a healthy food for wi ld songbirds. Adam buys a 3.5-oz container of mealworms for $8.75. Marco buys a 3.75-oz container of mealworms for $9.75. Which container is the better deal?
    Adam's container
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  • Are the perimeter and the side length of squares proportional? Explain.
    ratios are equivalent
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  • Write and solve a proportion to find the perimeter of a square when its side length is 12
    p= 48
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  • Sal ly is going on vacation with her fami ly. In 2 hours they travel 90.5 mi les. If they travel at the same speed, write an equation that represents how far they will travel, d, in h hours.
    d= 45.25
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  • The table shows the weights of bunches of bananas and the price of each bunch. Identify the constant of proportionality. Write an equation to relate weight, w, to the price, p
    K= 0.45 , p= 0.45 W
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