Perpendicular Lines Using Slope Intercept Form

What is the slope-intercept form of the equation of a line that we have been using in class?

• y = mx + b

• a² + b² = c²

• Mr. Fornero

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

Determine if the lines are parallel, perpendicular, or neither.

Line 1: y = x - 5 Line 2: -x + 6

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

The graph shows point P and line m.

Which equation best represents the slope-intercept form of the line that passes through point P and is perpendicular to line m?

Which of the following lines is PERPENDICULAR to the graph of y = -6x + 3 ?

Are AB and BC perpendicular? If so, what are their slopes?

• yes, CB m=-1 and AB m= 1

• yes, CB m= 1 and AB m=-1

• yes, CB m= -1 and AB m= 1/3

• No

Tags

CCSS.8.EE.B.6

What is the equation in slope-intercept form of the line that crosses the x-axis at -45 and is perpendicular to the line represented by y=\frac{5}{7}x+5

Slopes of perpendicular lines are...

• opposite reciprocals

• opposites

• identical

• nothing

Tags

CCSS.8.EE.B.6

What is the equation in slope-intercept form of the line that crosses the x-axis at 6 and is perpendicular to :