Lesson 7-9: Analyze Linear Equations: y = mx + b

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Label the slope, y-intercept, and equation.

d

g

a

(0,-6)

1/2

4/2

4/8

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Analyze the graph and select all that apply.

• m= 3/4 & b = -1

• y = 4/3x - 1

• m = -4/3 & b = -1

• y =3/4x -1

• y = -1x + 3/4

Analyze the graph and select all that apply.

• m = -5 & b = -4

• y = 5x -4

• y = -5x -4

• m = 5 & b = -4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the Linear Equation of the graph?

• y = -3/6x -6

• y = 2x - 6

• y = -1/2x -6

• y = -6x -2

The point where the line crosses the y-axis is...

What is the Linear Equation of the graph? 

• y = 4x +2

• y = -4x +2

• y = 2x -4

• y = 1/4x +2 

Vertical or horizontal?
y = -6

• vertical 
• horizontal
• neither

Vertical or horizontal?
x = 4

• vertical 
• horizontal
• neither

What would the graph of the equation x = -4 look like? 

• Horizontal line
• Vertical line