Parallel and Perpendicular Lines

What is the slope of a line parallel to y = 3x + 2?

• 1

• 2

• 3

• 4

How do you find the x-intercept of a line?

• Set y = 0 in the equation of the line and solve for x.

• Set x = 0 in the equation of the line and solve for y.

• Find the slope of the line and use it to determine the x-intercept.

• Use the quadratic formula to find the x-intercept.

If a line has a slope of 0, what type of line is it?

• A vertical line.

• A diagonal line.

• A horizontal line.

• A curved line.

How do you find the y-intercept of a line?

• Set y = 0 in the equation of the line and solve for x.

• Set x = 0 in the equation of the line and solve for y.

• Find the slope of the line and use it to determine the y-intercept.

• Use the coordinates of two points on the line to find the y-intercept.

What is the relationship between the slopes of two parallel lines?

• The slopes of two parallel lines are equal.

• The slopes of two parallel lines are negative reciprocals.

• The slopes of two parallel lines are always positive.

• The slopes of two parallel lines are always different.

What is the relationship between the slopes of two perpendicular lines?

• The slopes of two perpendicular lines are equal.

• The slopes of two perpendicular lines are both positive.

• The slopes of two perpendicular lines are negative reciprocals of each other.

• The slopes of two perpendicular lines are both negative.

What are parallel lines?

• Lines that intersect at a right angle.

• Lines that never meet and have the same slope.

• Lines that meet at a point in a plane.

• Lines that are always horizontal.

What is the equation of a line perpendicular to y = 5x - 3 that passes through the point (1, 2)?

• y = -1/5x + 11/5

• y = 5x - 3

• y = -5x + 7

• y = 1/5x + 3

If a line has an undefined slope, what type of line is it?

• A horizontal line.

• A vertical line.

• A diagonal line.

• A curved line.

What is the equation of a line parallel to y = -4x + 1 that passes through the point (3, 2)?

• y = -4x + 14

• y = -4x + 10

• y = 4x + 2

• y = -4x - 5