Linear Parallel Lines

Is there a solution to the system of equations?

y = -3/4x + 9

3x + 4y = 12

• No- because these lines will be parallel and never intersect.

• No- because these lines have different y-intercepts.

• Yes- because these lines have different slopes and will intersect.

• Yes- because I can feel it in my bones.

Tags

CCSS.8.EE.C.8B

Is there a solution to the system of equations?

• No- because the lines will be parallel and will never intersect.

• No- because the lines have different y-intercepts

• Yes- because the lines will NOT be parallel

• Yes- because the lines have the same slope.

Tags

CCSS.8.EE.C.8B

Write the equation of Line #2 that is PARALLEL to Line #1 (y = 5x + 7) and goes through the coordinate point (0, -2)?

[ Sample answer: y=10x+10 ]

What is the slope (just slope) of a line PARALLEL to the line with the equation: 3x + 4y = - 7?

Tags

CCSS.8.EE.B.5

• Parallel

• Perpendicular

• Neither

Slopes of parallel lines are...

• opposite reciprocals.

• opposites.

• the same.

• always 7.

Tags

CCSS.8.EE.B.5

Write an equation that is parallel to the line
y = x - 5 through (1, -2)

• y = -3x +1

• y = x - 3

• y = x + 1

• y = 3x +1 

Write an equation for a line parallel to
y = 5/4x + 4 through (-4, -3)

• y = 5/4x +2

• y = -5/4x + 2

• y = 2x - 5/4

• y = 3/4x + 2

Determine if the line segments are parallel, perpendicular, or neither.

• Parallel

• Perpendicular

• Neither

If the lines are parallel to each other and the slope of the blue is -1, what is the slope of the purple line?

• 1

• -1

• 5

• -3

Tags

CCSS.8.EE.B.6