Michigan State University - Diagnostic Exam

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2.20

  •   Which of the following graphs represents the equation -2y = x + 2 ?

    PIC PIC

    PIC PIC

    PIC

Solution:

Notice that -2y = x + 2  ⇒  y = --1 2x - 1. So the slope of the line is --1 2 and its y-intercept is -1.

PIC

Diagnostic:

If you miss this question please review graphing linear equations.

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July 15, 2008