Linear Functions (Grade 10 NSC Matric Mathematics): Flashcards

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Linear Functions
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Graph type of linear functions

Straight-line graphs

In y=mx+cy = mx + c, what is mm?

Gradient (slope)

In y=mx+cy = mx + c, what is cc?

Y-intercept

Direction of line when m>0m > 0

Slopes upward from left to right

Direction of line when m<0m < 0

Slopes downward from left to right

How to find y-intercept

Set x=0x = 0 and solve for yy

How to find x-intercept

Set y=0y = 0 and solve for xx

Domain of linear functions

All real numbers

Range of linear functions

All real numbers

Points used in dual intercept method

X-intercept and y-intercept

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