C. y = 4x D. y = -9x
Mathematics, 15.04.2021 17:10 ijustneedhelploll
1. Which equation is not an example of a direct variation?
A. y = x+1
C. y = 4x D. y = -9x
B. y = x
2. Which equation is not an example of a direct variation?
A. y = x
B. 2x + 3y = 0 C. y = x D. 5x + 6y = 30
Name the constant of variations(k) for each equation.
3. y = 5x
4. y = x
5. y = x
Write a direct variation equation that relates the two variables. Then solve.
6. Suppose y varies directly as x, and y= 16 when x = 8. Find y when x = 16.
7 Suppose y varies directly as x, and y = 21 when x = 3. Find x when y = 42.
8. Suppose v varies directly as g, and v = 36 when g = 4. Find v when g = 11.
9. Suppose a varies directly as b, and a = 7 when b = 2. Find b when a = 21.
Answers: 1
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George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.
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For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is
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Answers: 1
1. Which equation is not an example of a direct variation?
A. y = x+1
C. y = 4x D. y = -9x
C. y = 4x D. y = -9x
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