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Which equation has a constant of proportionality equal to 
(1)/(2) ?
Choose 1 answer:
(A) 
y=2x
(B) 
y=4x
(c) 
y=(3)/(6)x
(D) 
y=(3)/(4)x

Which equation has a constant of proportionality equal to 12 \frac{1}{2} ?\newlineChoose 11 answer:\newline(A) y=2x y=2 x \newline(B) y=4x y=4 x \newline(C) y=36x y=\frac{3}{6} x \newline(D) y=34x y=\frac{3}{4} x

Full solution

Q. Which equation has a constant of proportionality equal to 12 \frac{1}{2} ?\newlineChoose 11 answer:\newline(A) y=2x y=2 x \newline(B) y=4x y=4 x \newline(C) y=36x y=\frac{3}{6} x \newline(D) y=34x y=\frac{3}{4} x
  1. Identify Constant of Proportionality: Identify the constant of proportionality in each equation.\newlineThe constant of proportionality is the coefficient of xx in each equation.
  2. Check Option (A): Check option (A) y=2xy=2x. The constant of proportionality is 22. Compare it to (1)/(2)(1)/(2). 22 is not equal to (1)/(2)(1)/(2).
  3. Check Option (B): Check option (B) y=4xy=4x. The constant of proportionality is 44. Compare it to 12\frac{1}{2}. 44 is not equal to 12\frac{1}{2}.
  4. Check Option (C): Check option (C) y=36xy=\frac{3}{6}x.\newlineSimplify the fraction 36\frac{3}{6} to 12\frac{1}{2}.\newlineThe constant of proportionality is 12\frac{1}{2}.\newlineCompare it to 12\frac{1}{2}.\newline12\frac{1}{2} is equal to 12\frac{1}{2}.
  5. Check Option (D): Check option (D) y=34xy=\frac{3}{4}x.\newlineThe constant of proportionality is 34\frac{3}{4}.\newlineCompare it to 12\frac{1}{2}.\newline34\frac{3}{4} is not equal to 12\frac{1}{2}.

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