Podcast
Questions and Answers
In elementary geometry, two geometric objects are perpendicular if their intersection forms angles that are?
In elementary geometry, two geometric objects are perpendicular if their intersection forms angles that are?
- 60 degrees or π/3 radians wide
- 180 degrees or π radians wide
- 45 degrees or π/4 radians wide
- 90 degrees or π/2 radians wide (correct)
The condition of perpendicularity may be represented graphically using which symbol?
The condition of perpendicularity may be represented graphically using which symbol?
- ∠
- ⊥
- ∥
- ⟂ (correct)
Perpendicular intersections can happen between which of the following?
Perpendicular intersections can happen between which of the following?
- Two lines, a line and a plane, and two planes (correct)
- A line and a point
- Two planes only
- Two line segments only
In advanced mathematics, the word 'perpendicular' is sometimes used to describe what?
In advanced mathematics, the word 'perpendicular' is sometimes used to describe what?
A line is said to be perpendicular to another line if the two lines intersect at?
A line is said to be perpendicular to another line if the two lines intersect at?
What is the slope-intercept form of the given line -4x-9y=2?
What is the slope-intercept form of the given line -4x-9y=2?
What is the equation of the line parallel to $-4x-9y=2$ passing through the point (5, -1)?
What is the equation of the line parallel to $-4x-9y=2$ passing through the point (5, -1)?
What is the slope of a line perpendicular to the given line $-4x-9y=2$?
What is the slope of a line perpendicular to the given line $-4x-9y=2$?
If the slope of a line is $\frac{3}{5}$, what is the slope of a line parallel to it?
If the slope of a line is $\frac{3}{5}$, what is the slope of a line parallel to it?
If the slope of a line is $-2$, what is the slope of a line perpendicular to it?
If the slope of a line is $-2$, what is the slope of a line perpendicular to it?
