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2 years ago

15

PART 1:

1 answer:

Tju [1.3M]2 years ago

4 0

See the attached figure

A(4,8) B(0,7) C(4,3)
<span>the line of reflection is x=5
</span>
the reflection is (x,y)-------------------> (10-x,y)
therefore
A(4,8)-----------------> A1(10-4,8)------> A1(6,8)
B(0,7)-----------------> B1(10-0,7)------> B1(10,7)
C(4,3)-----------------> C1(10-4,3)------> C1(6,3)

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Which ordered pairs make the equation true? 3x+2y=−7 Select each correct answer. (3, −8)

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<h2>SOLVING</h2>

$\Large\maltese\underline{\textsf{A. What is Asked}}$

Which ordered pairs make the equation $\bf{3x+2y=-7}$ true? Select all that apply. 3 options are given

$\Large\maltese\underline{\textsf{B. This problem has been solved!}}$

We can tell which ordered pairs make equations true by plugging in the coordinates.

$\mathbb{ORDERED\;PAIR\;NUMBER\;ONE}$

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$\bf{9-16=-7}$ |simplify

$\bf{-7\equiv-7}$ | this one checks

$\mathbb{ORDERED\;PAIR\;NUMBER\;TWO}$

$\bf{3(-2)+2(-1)=-7}$ | simplify

$\bf{-6-2=-7}$ | simplify

$\bf{-8\neq-7}$ | this one does <em>not </em>check

$\mathbb{ORDERED\;PAIR\;NUMBER\;THREE}$

$\bf{3(1)+2(-4)=-7}$ | simplify

$\bf{3-8=-7}$ | simplify

$\bf{-5\ne-7}$ | this one does <em>not</em> check

$\rule{300}{1.7}$

$\bf{Result:}$

$\bf{=The\;First\;Option$

$\boxed{\bf{aesthetic \not101}}$

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