Writing Equations of Lines

Writing Equations of Lines Notes Assignment

Watch the video and be sure to take notes!!

You will need to obtain a score of at least 70% on the accompanying questions.

Multiple Choice

Which is the equation of the line with slope 3 and y-intercept 5.

• y = 3x + 5

• y = 3/5x

• y = 5x + 3

• y = 5/3x

Fill in the Blanks

What is the equation of the line that has a slope of 3 and passes through the point (0, 9)?

Multiple Choice

Which of the following is the slope-intercept form?

• m = (y₂ - y₁)/(x₂ - x₁)

• y - y₁ = m(x - x₁)

• y = mx + b

• AX + BY = C

Multiple Choice

Determine the slope and y-intercept from the following equation: y = 3/2x + 3

• slope: 5

  y-intercept: (0,3)

• slope: 4

  y-intercept: (0,3/2)

• slope: 3/2

  y-intercept: (0,3)

• slope: 1/5

  y-intercept: (0,5)

Multiple Choice

What is the equation of the line shown?

• y = 2x + 2

• y = -x + 2

• y = 2x - 2

• cannot be determined

Multiple Choice

Write an equation for the line shown by finding the slope and identifying the y-intercept.

• y = -2x + 2

• y = 1/2x - 2

• y = 2x + 2

• y = -1/2x + 2

Watch the video and be sure to take notes!!

You will need to obtain a score of at least 70% on the accompanying questions.

Multiple Choice

What is the formula for Point-Slope Form?

• m = (y₂ - y₁)/(x₂ - x₁)

• y - y₁ = m(x - x₁)

• y = mx + b

• AX + BY = C

Fill in the Blanks

The equation of the line with slope -2 through the point (7, −1) would be y = -2x + _?

Multiple Choice

Write the equation of the line with slope 5/2 through the point (8, -2).

• y = 5/2x + 18

• y = 5/2x + 22

• y = 5/2x - 18

• y = 5/2x - 22

Multiple Choice

Write the equation of the line through the points (8, -7) and (-2, 8).

• y = 3/2x + 11

• y = -3/2x + 5

• y = -3/2x + 11

• y = 3/2x - 19

Multiple Choice

Write the equation of a line that goes through the points (9, -2) and (-3,2) in slope intercept form.

• y =-3x+25

• y =-⅓x+1

• y = 3x - 29

• y=⅓x+1

Watch the video and be sure to take notes!!

You will need to obtain a score of at least 70% on the accompanying questions.

Multiple Choice

What is the equation of this line?

• x=5

• y = 5x

• y = 5

• x = -5

Fill in the Blanks

What would all the x-values be for the graph of the equation x = 5?

Multiple Choice

What is the equation of this line?

• x = -2

• x = 2

• y = -2x

• y = -2

Fill in the Blanks

What is the slope of the line represented by the equation y = -9?

Watch the video and be sure to take notes

You will need to obtain a score of at least 70% on the accompanying questions.

Multiple Choice

Slopes of parallel lines are...

• opposite reciprocals

• the same

• opposites

• always 7

Multiple Choice

Slopes of perpendicular lines are...

• opposite reciprocals

• the same

• opposites

• always 7

Multiple Choice

y = 5/7x +2

y = 5/7x - 30

These lines are...

• Parallel

• Perpendicular

• Neither

Multiple Choice

y = -2/3x + 2

y = 3/2x + 9

These lines are...

• Parallel

• Perpendicular

• Neither

Multiple Choice

y = 6x + 2

y = -6x + 2

These lines are...

• Parallel

• Perpendicular

• Neither

Multiple Choice

Which of the following represents the equation of the line passing through (-4, 5) PERPENDICULAR to the line y = -1/2x + 5/2?

• y = -1/4x + 11/2

• y = 2x + 13

• y = -1/2x + 3

• y = 2x + 5

Multiple Choice

Write an equation for a line parallel to the line

y = 1/3x - 4 through (-3, 2)

• y = 2/3x +3

• y = -1/3x + 3

• y = 1/3x + 3

• y = -5/3x + 3