Question

if Anne found that the equation of the stairs leading to the attic was y = 1/2 x +5. state the slope y-intercept of the equation, andclassify slope as positive, negative, zero, or undefined

Answer 1

In general, equation of a straight line in slope-intercept form (and that's what we're dealing with in your question) is y=mx+b where m is the slope, b is y-intercept.
In our case we have y = 1/2 x +5 so slope is 1/2. y-intercept is 5. So we have positive slope.

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