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3 years ago

13

How do I write an equation with two points?

1 answer:

kramer3 years ago

3 0

What you have to do is find the slope and the y intercept
The equation is y=-15/6x+14

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Line segment AB has endpoints at A(-4, 4) and B(8,8).

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3 years ago

Can somebody please help I am confused

Rudiy27

The tenths place value

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Use the appropriate form of the percentage formula What percent of 14.9 is 14.4? Round to the nearest hundredth of a percent.

Sophie [7]

we know 14.9 is the whole or 100%, so what is 14.4 off of it in percentage?

$\begin{array}{ccll} amount&\%\\ \cline{1-2} 14.9&100\\ 14.4&x \end{array}\implies \cfrac{14.9}{14.4}=\cfrac{100}{x}\implies 14.9x=1440 \\\\\\ x = \cfrac{1440}{14.9}\implies x \approx 95.64$

8 0

3 years ago

Paralell to y=4x-6 through (12,10)

stiks02 [169]

<u>ANSWER</u>

The line that is parallel to $y=4x-6$ through $(12,10)$ is $y=2x-14$ .

<u>EXPLANATION</u>

The equation that is parallel to the line $y=4x-6$ has a slope that is equal to the slope of this line.

By comparing this equation to the general slope intercept form,

$y=mx+c$ ,this line has slope $m=2$ .

Hence the line parallel to this line also has slope $m=2$ .

Let $y=mx+b$ be the equation of the line parallel to the line

$y=4x-6$

We can substitute $m=2$ to obtain;

$y=2x+b$

If the line passes through the point $(12,10)$ ,then this point must satisfy its equation.

We substitute $x=12$ and $y=10$ to obtain;

$10=2(12)+b$

We this equation for $b$ .

$\Rightarrow 10=24+b$

$\Rightarrow 10-24=b$

$\Rightarrow -14=b$

We substitute this value of $b=-14$ in to $y=2x+b$ to get;

$y=2x+-14$ .

Hence the equation of the line that is parallel to $y=4x-6$ through $(12,10)$ is $y=2x-14$ .

3 0

3 years ago

What is the function rule for the line?

fomenos

Answer: It is f(x)= -3/2x-2

Step-by-step explanation: f(x) is the same as y. The formula for a line is slope-intercept form (y=mx+b). The -2 is the y-intercept, and the line intercepts the graph at -2. The slope is -3/2 because it rises 3 and goes to the left -2.

7 0

3 years ago