Linear Equation Slope

REASONING: Without graphing, identify the equations of the lines that are (b) perpendicular. Identify the two equations that are perpendicular.

Write 2x + 3y = 12 in slope intercept form

• 3y = -2x + 12

• y = -2/3x + 2

• y = -2/3x + 4

• y = 2/3x + 2

What is the slope-intercept form of a line?

• Ax + By = C

• y = mx + b

• y - y1 = m(x - x1)

• y = Ax + By

What is the slope of 
6x-y=9?

• 9/6

• -9

• 6

• -6

Find the slope of the line.

• -5/4

• 5/4

• -4/5

• 4/5

Find the slope of the line.

• Undefined

• 0

• 1

• -1

Determine the slope and y-intercept.         y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 

• slope: 3/2   y-intercept:  (0,3) 

• slope:  4  y-intercept:  (0,3/2)

• slope: 1/5   y-intercept:  (0,5) 

Find the slope of the line that passes through
(1, -19) and (-2, -7)

• -4

• 4

• 1/4

• -1/4

What is standard form of a line?

• y = mx + b

• Ax + By = C

• y - y1 = m(x - x1)

• y = Ax + By

Vertical or horizontal?
y = 10

• vertical 

• horizontal

• neither