Lucille Cummings

2022-06-29

Finding the coordinates of a point five units along the line perpendicular to a midpoint?

Dustin Durham

Beginner2022-06-30Added 31 answers

Step 1

For a vector (a, b) the perpendicular direction is (-b, a) (this transformation turns left, multiply by -1 if you want to go the other way).

If you want to have a vector along direction (a, b) of length d, then calculate $\frac{d}{|(a,b)|}(a,b)$ (a, b) where $|v|$ is the length of v.

For a vector (a, b) the perpendicular direction is (-b, a) (this transformation turns left, multiply by -1 if you want to go the other way).

If you want to have a vector along direction (a, b) of length d, then calculate $\frac{d}{|(a,b)|}(a,b)$ (a, b) where $|v|$ is the length of v.

The transverse axis of a hyperbola is double the conjugate axes. Whats the eccentricity of the hyperbola $A)\frac{\sqrt{5}}{4}\phantom{\rule{0ex}{0ex}}B)\frac{\sqrt{7}}{4}\phantom{\rule{0ex}{0ex}}C)\frac{7}{4}\phantom{\rule{0ex}{0ex}}D)\frac{5}{3}$

Which of the following is an example of a pair of parallel lines?

Sides of a triangle

Surface of a ball

Corner of a room

Railway trackState whether the statements are True or False. All rectangles are parallelograms.

Point T(3, −8) is reflected across the x-axis. Which statements about T' are true?

If two parallel lines are cut by a transversal, then:

each pair of alternate angles are equal

each pair of alternate angles add up to 180 degrees

each pair of corresponding angles add up to 180 degees.

each pair of corresponding angles is equal.The opposite faces of a dice always have a total of ___ on them.

What is the term for a part of a line with two endpoints?

A. Line Segment

B. Line

C. Ray

D. PointABCD is a parallelogram. Which of the following is not true about ABCD?

AB=CD

AD=CB

AD||CD

AB||CDIf the points $(a,0)$, $(0,b)$ and $(1,1)$ are collinear then which of the following is true?

$\frac{1}{a}+\frac{1}{b}=1$

$\frac{1}{a}-\frac{1}{b}=2$

$\frac{1}{a}-\frac{1}{b}=-1$

$\frac{1}{a}+\frac{1}{b}=2$The angles of a triangle are in the ratio 1 : 1 : 2. What is the largest angle in the triangle?

$A){90}^{\circ}\phantom{\rule{0ex}{0ex}}B){135}^{\circ}\phantom{\rule{0ex}{0ex}}C){45}^{\circ}\phantom{\rule{0ex}{0ex}}D){150}^{\circ}$What is the greatest number of acute angles that a triangle can contain?

How many right angles are required to create a complete angle?

1) Two

2) Three

3) Four

4) FiveFind the sum of interior angles of a polygon with 12 sides in degrees.${1800}^{\circ}\phantom{\rule{0ex}{0ex}}{1200}^{\circ}\phantom{\rule{0ex}{0ex}}{1500}^{\circ}\phantom{\rule{0ex}{0ex}}{1400}^{\circ}$

In Euclid's Division Lemma when $a=bq+r$ where $a,b$ are positive integers then what values $r$ can take?

When two lines cross each other at a point we call them ___ lines.