slope and direct variation

what is the meaning of 'k'

Tags

CCSS.HSA.SSE.A.1

Find the slope of the line

*pay attention to how much the x and y axis are increasing by!*

• 2/5

• 1/2

• 5/2

• 2

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

what does this graph represent?

• direct variation

• inverse variation

• neither

• I'm not sure

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.2

which graph is direct variation

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

what is the slope of this graph?

• 75/3

• 25

• 3/75

• 1/25

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

is this a direct variation

• yes, the slope is 3

• no

• yes, the slope is 4

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

choose all the true statements about this graph

• the slope is 3

• this is a direct variation

• the graph includes the point (2,4)

• when you double the x, the y triples

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

what is the equation for an inverse variation?

• $y=kx$

• $y=kx+b$

• $y=\frac{k}{x}$

• $y=\frac{x}{k}$

is this a direct variation?

• yes, the slope is 2

• no

• yes, the slope is 1/2

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

select all answers that are true about this graph

• the slope is 2

• this is a direct variation

• this is an inverse variation

• this is a positive slope

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3