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8-9.
  1. For each line below, name the slope and y-intercept. Homework Help ✎

    1. y = -1+4x/2

    2. 3x + y = −7

    3. y = (-2)/3x + 8

    4. y = −2

This equation, rewritten, is the same as saying:

Knowing this information, can you identify the y-intercept and the slope?

Rewrite the equation in y = mx + b form, then identify the slope and the y-intercept.

The equation is already in y = mx + b form, so identify the slope and y-intercept in the equation.

Remember that y = −2 is a horizontal line.

Because it is horizontal, the line has zero slope and the y-intercept is given right in the equation, −2.