3 years ago

On a coordinate plane, a triangle has points A (negative 2, negative 2), B (1, negative 5), and C (negative 5, negative 5).

Mathematics

2 answers:

mixas84 [53]3 years ago

7 0

Answer:

(3,-12)

Step-by-step explanation:

the triangle has points A(-2,-2) B(1,-5) and C(-5,-5) the translation of (2 horizontally,-7 vertically) will cause B to translate to coordinates (3, -12)

sattari [20]3 years ago

5 0

Answer:

The answer is number 2. hope that helps

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meriva

1,846^-1
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3 years ago

What are the explicit equation and domain for a geometric sequence with a first term of 2 and a second term of -8

belka [17]

Answer:

$\large\boxed{a_n=2(-4)^{n-1}=\dfrac{(-4)^n}{2}}$

Step-by-step explanation:

The explicit equation of a geometric sequence:

$a_n=a_1r^{n-1}$

The domain is the set of all Counting Numbers.

We have the first term of $a_1=2$ and the second term of $a_2=-8$ .

Calculate the common ratio <em>r</em>:

$r=\dfrac{a_{n-1}}{a_2}\to r=\dfrac{a_2}{a_1}$

Substitute:

$r=\dfrac{-8}{2}=-4$

$a_n=(2)(-4)^{n-1}\qquad\text{use}\ \dfrac{a^n}{a^m}=a^{n-m}\\\\a_n=(2\!\!\!\!\diagup^1)\left(\dfrac{(-4)^n}{4\!\!\!\!\diagup_2}\right)\\\\a_n=\dfrac{(-4)^n}{2}$