A linear equation is modified so that the rate of change is tripled, but the y-intercept remains the same. Which pair of equations could represent the original equation and the modified equation?

A. y=x+3 and 3y=3x+9

B. y=9x-2 and y=12x-2

C. y=-2x-3 and y=-2x-9

D. y=-5x+6 and y=-15x+6

Question

Nicholson

3 July, 20:03

+1

Answers (1)

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Angel Proctor · Answer 1

That would be D. y = - 5x + 6 and y = - 15x + 6 are identical except that the slope of the 2nd is 3 times the slope of the first.

A linear equation is modified so that the rate of change is tripled, but the y-intercept remains the same. Which pair of equations could represent the original equation and the modified equation?A. y=x+3 and 3y=3x+9B. y=9x-2 and y=12x-2C. y=-2x-3 and y=-2x-9D. y=-5x+6 and y=-15x+6