GEOMETRY. PLEASE HELP ASAP!! I AM STUMPED! O.o

Mathematics

1 answer:

vagabundo [1.1K]3 years ago

4 0

The point R has coordinates (-5,-5) and the image point R' has coordinates (2,-7).

-5+a=2, then a=2-(-5)=2+5=7;
-5+b=-7, then b=-7-(-5)=-7+5=-2.

Thus, the translation rule is

(x,y)→(x+7,y-2)

or $T_{(7,-2)}(RSTU)$

If point U has coordinates (-5,1), then its image U' has coordinates (-5+7,1-2) that is (2,-1).

Answer: correct choice is B

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3 years ago

Subtract 7x+27x+2 from -5x^2-2x−5x 2 −2x.

kicyunya [14]

Simplified value of subtraction of 7x+27x+2 from -5x^2-2x−5x 2 −2x. is $-10x^{2} -38x-2$ .

Given Expressions 7x+27x+2 and -5x^2-2x−5x 2 −2x.

Expressions refers to the combination of numbers, variables and symbols. It represents the relationship between variables. They are solved for finding out the value of variables. It is mainly not in equal to form. Subtraction is possible when subtracting the coefficients of same variable.

We have to subtract 7x+27x+2 from -5x^2-2x−5x 2 −2x. and to do this we need to first solve the expressions itself.

7x+27x+2=34x+2------------------1

$-5x^{2} -2x-5x^{2} -2x$ = $-10x^{2} -7x-2x$ --------------------2