3 years ago

How do i graph -2x+5.

1 answer:

8 0

It is a nice linear equation. Remember y=mx+b
b is the y intercept you'll see
m is the slope rise over run
I don't like giving answers away but I am ready to help!

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Ksivusya [100]

Vertical compression would be 1/13.
so g(x)=(6/13)x + 2
but if that's not right and it's a stretch then it's
g(x)=78x+2

7 0

3 years ago

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WILL GIVE BRAINLEST<br>this table represents a quadratic function.....

KatRina [158]

Everything on the y-axis side is being added by odd numbers. Ex:(1,3,5,7,9, etc).

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3 years ago

The recursive formula An+1 = 2∙An number of people with a virus in a school each week. If there are 96 people infected with the

Alex777 [14]

Each week the number infected doubles. the formula would be 2(2(2(96))). the sum is equal to 768.

768.

3 0

3 years ago

Which equation could be used to calculate the sum of the geometric series?

Greeley [361]

$\dfrac{1}{3}+\dfrac{2}{9}+\dfrac{4}{27}+\dfrac{8}{81}+\dfrac{16}{243} = \\ \\\\ = \sum\limits_{k=1}^{5}\dfrac{2^{k-1}}{3^k} = \sum\limits_{k=1}^{5}\dfrac{2^{k}}{2\cdot 3^k} = \dfrac{1}{2}\cdot \sum\limits_{k=1}^{5}\dfrac{2^{k}}{3^k} = \\ \\\\ = \dfrac{1}{2}\cdot \sum\limits_{k=1}^{5}\Big(\dfrac{2}{3}\Big)^k = \dfrac{1}{2}\cdot \left[\Big(\dfrac{2}{3}\Big)^1+\Big(\dfrac{2}{3}\Big)^2+...+\Big(\dfrac{2}{3}\Big)^5\right] =$

$= \dfrac{1}{2}\cdot \dfrac{\dfrac{2}{3}\cdot\left[\Big(\dfrac{2}{3}\Big)^5-1\right]}{\dfrac{2}{3}-1} =-\Big(\dfrac{2}{3}\Big)^{5}+1 = \dfrac{-2^5+3^5}{3^5} = \boxed{\dfrac{211}{243}}$

$\text{I used the geometric series formula for sum: }S_n = \dfrac{b_1\cdot (q^n - 1)}{q-1}$

3 0

3 years ago

3x=x+6 how do I solve it step by step

Phoenix [80]

Answer:

x=3

Step-by-step explanation:

First, subtract the x on both sides

3x= x+ 6

-x -x

2x=6

Divide by 2 on both sides

x=3

Hope this helps!

3 0

3 years ago