Slope-Intercept Form: Write an Equation from a Graph

Write an equation of a line with the given slope m and y-intercept b: m = –5, b = –6

• y = 5x - 6

• y = -5x + 6

• y = -6x - 5

• y = -5x - 6

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write an equation in slope-intercept form of the line:

• y = 2x - 2

• y = 2x + 1

• y - 1 = 2 (x - 3)

• y - 1 = 2 (x - 2)

What equation represents slope-intercept form?

• y = mx - b

• y = mx + b

• y - y₁ = m ( x - x₁ )

• y + y₁ = m ( x + x₁ )

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Identify the slope and ordered pair from the equation: y – 4 = – (x + 2)

• m = 1 ( - 2, 4 )

• m = - 1 ( - 2, 4 )

• m = - 1 ( 4, - 2 )

• m = - 1 ( 2, - 4 )

Slope = ​ (a)   y-intercept​ (b)   Slope intercept equation (c)   Is this a proportional relationship?​ (d)  

• 3

• no

• yes

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

slope =​ (a)   y-intercept =​ (b)  

Slope intercept equation: (c)  

Is this a proportional relationship?​ (d)  

• 10

• 0

• yes

• no

Tags

CCSS.8.EE.B.5

slope =​ (a)   y-intercept​ (b)  

slope intercept equation: (c)  

Is this a proportional relationship?​ (d)  

• 3

• 2

• no

• yes

Tags

CCSS.8.EE.B.5

Slope intercept equation (a)   Is this a proportional relationship?​ (b)  

• no

• yes

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

write down the equation of the line if gradient = 2 y-intercept = -5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

slope intercept equation: (a)   Is this a proportional relationship?​ (b)  

• no

• yes

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3