Understanding Linear Functions

-5/2

5/2

-2/5

2/5

(6, -5)

(-6, 5)

(-5, 6)

(5, -6)

(0, -2)

(0, 2)

(0, -4)

(0, 4)

Go down 5 units and left 2 units

Go down 2 units and right 5 units

Go up 5 units and right 2 units

Go up 2 units and left 5 units

y = -2/5x + 4

y = 2/5x - 4

y = 2/5x + 4

y = -2/5x - 4

-4

4

-2

2

Add 2 to both sides

Divide both sides by 2

Subtract 2 from both sides

Multiply both sides by 2

2

-1

-2

0

Neither method

Graphical method only

Algebraic method only

Both graphical and algebraic methods

Graphical methods are more accurate than algebraic methods

Algebraic methods are more accurate than graphical methods

Both methods can be used to find the equation of a line

Neither method is useful for finding the equation of a line