Writing Linear Equations

What does 'b" represent in y=mx+b

• y-intercept

• banana

• nothing

• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

What letter represents the slope of a line in the equation y = mx + b?

• y
• m
• x
• b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

Which equation best represents the line on the graph?

• y= 1/2x
• y= -1/2x
• y = 2x
• y = -2x

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

Which equation represents the following graph? (check the coordinate carefully--> the numbers on the y-axis are a bit off)

• y = 3x + 2

• y = -2x + 3

• y = 2x + 3

• y = -3x + 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.3

Write the equation for the line in slope-intercept form.

• y= -1x+3
• y= 4x+3
• y=1/4x+3
• y= -4x+3

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

What is the equation of this line?

• y = 2x +2

• y = 2x -2

• y = -1x + 2

• Cannot be Determined

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

What is the equation of this line?

• y= 3/2x+2

• y=3/2x-3

• y=2/3 x+2

• y=2/3x-3

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

Write the equation of the line.

• y= -1x-3
• y= -3x-1
• y=(-1/3)x-1
• y= -3x-3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

Give the equation for the graph

• y = 5x - 3
• y = 4x + 2
• y =-2x + 5
• y = - 2x + 4

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

Jenny writes the equation y = 1/2x +5.
Why is she incorrect?

• The slope is -2, the equation should be
  y = -2x + 5
• The y-intercept is 4, the equation should be y = -2x + 4
• The slope is -1/2, the equation should be
   y = -1/2x + 5
• The y-intercept is -5, the equation should be y = -2x - 5

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6