Slopes and Finding Equations of Lines

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2
• -1/2
• 2
• -2

Find the slope of the line that passes through
(10, 1) and (5, 2)

• 1/5
• -1/5
• 5
• -5

What does 'b" represent in y=mx=b

• y-intercept
• macaroni
• nothing
• slope

What is the slope in the equation:  y=4x+3

• 3
• 4x
• 4
• x

What is the y-intercept in the following equation:  y=-4x-5

• -4
• -4x
• 5
• -5

How would you write the equation with a slope of 2/3 and a y-intercept of -3

• y=3/2x+3
• y=2/3-3
• y=2/3x-3
• y=2/3x+3

Write the equation of the line.

• y = -1/3x - 2
• y = 1/3x - 2
• y = 3x - 2
• y = -3x - 2

Write the equation of the line.

• y = -2/3x + 4
• y = 2/3x + 4
• y = 3/2x + 4
• y = -3/2x + 4

What is the slope between the points (5,3) and (-4, 9)?

• ⅔

• -⅔

• 1

• 0

Two lines are parallel if and only if they have

• the product of the slopes is -1

• two different slopes

• the same slope

• one slope = -1 and the other slope = 0.