If the slope of a straight line is 0 and the y-intercept is –2, what is the equation of the line?

Use slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept. Substituting m = 0 and b = −2 gives y = 0x − 2, which simplifies to y = −2. The correct choice is “y = −2.”

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