Lesson 3 - The Straight Line

Which is a linear equation?

Which is the formula for the slope?

What is the slope of the line that passes through (1, 3) and (2, -4)?

Find the slope of the line containing points (-2, -5) and (2, -7).

What is the equation of the given straight line?

What is the slope of x = 2?

• 2

• -2

• 0

• undefined

Which is the equation of the given line?

• 1

• x=1

• y=1

• x+y=1

Which has an equation of x = 5?`

• 
• 
• 
• 

What is the slope of y = -2?

• -2

• 2

• 0

• undefined

Which is the point-slope form of a linear equation?