Q. Which equations represent a proportional relationship? Select all that apply.A) y=0.5x+10B) y=3x−5C) y=x+1D) y=17.5xE) y=5x−1F) y=100x
Proportional Relationship Definition: A proportional relationship is when the ratio of y to x is constant, meaning the equation is of the form y=kx where k is a constant.
Equation A Analysis: Check equation A: y=0.5x+10. This is not of the form y=kx because it has a y-intercept of 10, which is not zero.
Equation B Analysis: Check equation B: y=3x−5. This is also not of the form y=kx because it has a y-intercept of −5, which is not zero.
Equation C Analysis: Check equation C: y=x+1. This is not of the form y=kx because it has a y-intercept of 1, which is not zero.
Equation D Analysis: Check equation D: y=17.5x. This is of the form y=kx because there is no y-intercept, so it represents a proportional relationship.
Equation E Analysis: Check equation E: y=5x−1. This is not of the form y=kx because it has a y-intercept of −1, which is not zero.
Equation F Analysis: Check equation F: y=100x. This is of the form y=kx because there is no y-intercept, so it represents a proportional relationship.
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