If (8, 3) is rotated 90o about the origin the new point would be: A.
(3, -8)

B.
(-8, 3)

C.
(-3, 8)

D.
(8, -3)

C is the answer

Step-by-step explanation:

The rule is that(x,y)-->(-y,x) so therefore making it c

the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct

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