Question

The graph of y = 3x - 6 is shown on the left. If the line is translated up 4 units, what equation would best describe the new line?

Answer 1

y = 3x - 2

Explanation:

since the line is being translated, the slope, which is 3x, stays the same. add 4 to the y-intercept, which is -6.

• -6 + 4 = -2

the translated line's y-intercept is -2, so the translated line's equation will be y = 3x - 2.

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