Answer: if the y-intercept is 5, it's c. -3/4x + 5. Since it's ax+b a = slope b = y intercept
Step-by-step explanation:

➭Doing it all using mental math
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A scale factor is a number which scales, or multiplies, some quantity. In the equation y = Cx, C is the scale factor for x. C is also the coefficient of x, and may be called the constant of proportionality of y to x.
Answer:
a.
d.
Step-by-step explanation:
Other answer choices would not work. y= means you can substitute what y= into the opposite equation for "y."