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katen-ka-za [31]
4 years ago
5

What formal is this: y2-y1/x2-x1?

Mathematics
1 answer:
S_A_V [24]4 years ago
4 0
This is the formula to find slope.
m = y2-y1 / x2-x1
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Please help solve: Graph y-4=2(x-2)
xeze [42]

Answer:

Graph y = 2x

Step-by-step explanation:

First, let's get the equation into standard form. Distribute the 2 on the right.

y-4=2x-4

Next, we want the variable "y" to be alone, so we at 4 to both sides.

y-4+(4)=2x-4+(4)\\\\y=2x

That is our equation in standard y = mx + b form. "m" is our slope, while "b" is our y-intercept. Above , we don't have a value for b, therefore the line passes through the origin.

We do, however, have a slope, which can be thought of as \frac{rise}{run} or rise over run. To represent this, we can rewrite our slope as:

y=\frac{2}{1}x

Meaning in each interval, the line goes up by 2 units, and moves forward by 1.

3 0
3 years ago
The length of a flat screen TV is 5 inches less than 3 times its width. If the perimeter
Novay_Z [31]

Answer:

150*5=?

Step-by-step explanation:

7 0
3 years ago
Find first derivative f(x)= x² - 4 /x³ + 9 ​
vitfil [10]

Answer:

f'(x) = 2x + \frac{12}{x^{4} }

Step-by-step explanation:

differentiate using the power rule

\frac{d}{dx} ( ax^{n} ) = nax^{n-1}

Given

f(x) = x² - \frac{4}{x^3} + 9 = x² - 4x^{-3} + 9 , then

f'(x) = 2x + 12x^{-4} = 2x + \frac{12}{x^{4} }

5 0
2 years ago
Read 2 more answers
If bc+ad=b solve for a
stiv31 [10]

Answer:

bc+ad=b

or,ad=b-bc

or,a=(b-bc)/d

7 0
3 years ago
Read 2 more answers
Jacob made 8 pitchers of iced tea for
slava [35]

Answer:

Jacob made 8 pitchers of iced tea for

the school picnic. Each pitcher filled

g glasses. After the picnic, there were

2 glasses of iced tea left over. If no

glasses were spilled, which expression

gives the number of glasses that were

drunk at the picnic?

A 2(43 - 1)

B 4g(2 - 1)

c 2(1 – 49)

d g(1 – 2)

5 0
3 years ago
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