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s = 15 - 3a

Is this a linear formula? How do you know?

Is this a linear formula? How do you know?

s = 15 - 3a

The starting value is

The starting value is

A

15

B

-3a

C

s

D

3a

consecutive means

A

afnemend

B

stijgend

C

consequent

D

opeenvolgend

Formula:

d = -2c +10.

The corresponding graph is

d = -2c +10.

The corresponding graph is

A

rising

B

falling

C

horizontal

D

vertical

When the gradient in a linear formula is positive (f.e. y = 4x -5), the corresponding graph is:

Formula: y = 3x -5

The y-intercept is:

The y-intercept is:

A

3

B

3x

C

5

D

-5

k = 15x + 34

The gradient is

The gradient is

A

15

B

15x

C

34

D

there is none

The general form of a linear formula is: