# math

how can you determine if two lines are perpendicular?

1. 👍
2. 👎
3. 👁
1. if their slope is negative reciprocal to each other, then they are perpendicular.

Dude what the hell is wrong with you?

1. 👍
2. 👎
2. one can determine if two lines are perpendicular if thier they share a common point and the product of thier slopes are -1

1. 👍
2. 👎

## Similar Questions

1. ### Math

1. Write the following reversible as a biconditional: If two perpendicular lines intersect, they form four 90* angles. A) Two intersecting lines are perpendicular if and only if they form four 90* angles. B) Two intersecting,

2. ### Geometry

1Slope and the properties of perpendicular and parallel lines can be used to confirm that a polygon is a specific type of quadrilateral. What types of quadrilaterals can you determine by using these properties? List at least two

3. ### math

What will the graph look like for a system of equations that has no solutions? A. The lines will be perpendicular. B. The lines cross at one point. C. Both equations will form the same line. D. The lines will be parallel. Is the

4. ### Geometry

Prove that the tangents to a circle at the endpoints of a diameter are parallel. State what is given, what is to be proved, and your plan of proof. Then write a two-column proof. Hint draw a DIAGRAM with the points labeled. Can

1. ### Geometry

write the following reversible statement as a biconditional: If two perpendicular lines intersect, they form four 90 degree angles. -Two intersecting lines are perpendicular if and only if they form four angles. -Two intersecting,

2. ### math

parallel and perpendicular lines Determine an equation of each of the following lines . *the line perpendicular to y-4=0 and passing through the point (-1,6) ** the line perpendicular to 3x-12y+16=0 and having the same y-intercept

3. ### Math

What is the relationship between two lines whose slopes are −7 and 1/7? a) The lines are parallel to each other b) The lines are mirror images of each other, reflected over the x-axis c) The lines always cross at the origin. d)

4. ### math

Find the slope of the lines that are (a) parallel lines (b) perpendicular lines to the lines passing through the pair of points (3, 4)(2,-1)

1. ### calculus

Determine the coordinates of the point of intersection of the two perpendicular lines that intersect on the y-axis and are both tangent to the parabola given below. y = 3x2

2. ### Algebra

Determine whether the lines are parallel, perpendicular, or neither. y = 9x + 9 and y = -9x + 9 Is this perpendicular since they go across from each other

3. ### Algebra

Determine whether the lines are parallel, perpendicular, or neither. y = 9x + 9 and y = -9x + 9