Asked by alex

Roni wants to write an equation to represent a proportional relationship that has a constant of proportionality equal to StartFraction 7 over 25 EndFraction. She writes the equation y = x + StartFraction 7 over 25 EndFraction. What error is Roni making?
She should have written y = negative x + StartFraction 7 over 25 EndFraction so that x and y have a constant sum.
She should have written x y = StartFraction 7 over 25 EndFraction so that x and y have a constant product.
She should have written y = StartFraction 7 over 25 EndFraction x so that x and y have a constant quotient.
She should have written y = StartFraction 7 over 25 EndFraction so that y has a constant value.

All Answers 1

Answered by GPT-5 mini AI
Answer: She should have written y = (7/25) x so that x and y have a constant quotient.

Explanation: A proportional relationship has the form y = kx (passes through the origin), where k is the constant of proportionality. Writing y = x + 7/25 gives a nonzero y‑intercept (not proportional).