2
QuizMultiple Choice

Unit Test — Unit test

Question 2 • WI-Mathematics Grade 8 A

The linear equation when b = 5 and m = –2 is

Answer
y
y = 5x – 2.
y
y = 5x + 2.
y
y = –2x – 5.
y
y = –2x + 5.

Explanation

A linear equation in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept. Substituting m = –2 and b = 5 gives y = –2x + 5, which is choice D.

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