MATHEMATICS MIDDLE SCHOOL

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Answers

Answer 1

Answer:

Answer:

90° counter clockwise rotation of point 0(x, y) about origin = (-y, x)

Step-by-step explanation:

Following are the rules for a counter clockwise rotation of 90 degrees about the origin for a point O(x,y):

1. Invert the sign of the value of y.

2. Switch x and y with each other.

For example, a point A(5,2) after rotation gives a point B(-2,5) using the rules given above. The points on the x-y plane are shown in the image attached.

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Name all sets of numbers for 7.2

Answers

That's a verrrrrry interesting number !
It belongs to an infinite number of sets,
and I'm pretty busy right now.

Here are just a few of them:

-- real numbers
-- rational numbers
-- positive numbers
-- mixed numbers
-- multiples of 0.1
-- multiples of 0.2
-- multiples of 0.3
-- multiples of 0.4
-- multiples of 0.6
-- multiples of 0.8
-- multiples of 0.9
-- multiples of 1.2
-- numbers less than 7.21
-- numbers less than 7.22
-- numbers less than 7.23
.
.
etc.

-- numbers greater than 7.19
-- numbers greater than 7.18
-- numbers greater than 7.17
.
.
etc.

Look at the image given and find UW.