Ask question

Ask question

All categories

2 years ago

15

What is the slope of the line conaning the points (-3,4)and(2,1)

1 answer:

olya-2409 [2.1K]2 years ago

4 0

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~ -3 &,& 4~) 
% (c,d)
&&(~ 2 &,& 1~)
\end{array}
\\\\\\
% slope = m
slope = m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{1-4}{2-(-3)}\implies \cfrac{1-4}{2+3}\implies \cfrac{-3}{5}$

You might be interested in

Complete the statements.

spayn [35]

Answer:

1. 30

2. 150

Step-by-step explanation:

$3tan^2(x)-1 =0$

Lets assume tan(x) = u

$3u^2(x)-1 =0$

Now we solve for 'u'

add 1 on both sides

$3u^2(x) =1$ , divide both sides by 3

$u^2 = \frac{1}{3}$

Take square root on both sides

$u = +-\frac{1}{\sqrt{3} }$

We replace tan(x) for 'u'

$tan(x) = +-\frac{1}{\sqrt{3} }$

x = 30 because $tan(30) =+\frac{1}{\sqrt{3} }$ in first quadrant

x = 30 (tan is positive in first quadrant)

$tan(x) =-\frac{1}{\sqrt{3} }$

x = 150 because $tan(150) =-\frac{1}{\sqrt{3} }$ in second quadrant

tan is negative in second quadrant

4 0

2 years ago

Help me please!! The next model of a sports car will cost 12.2% less than the current model. The current model costs $34,000. Ho

andrey2020 [161]

Answer:

the price will decrease by 4148

the price of the next model will be 29852

7 0

1 year ago

Clara scored a 79 on her history test what grade does she have to get on her next test so she will have a average of a 83

Airida [17]

79 is 4 below 83 so her next grade needs to be 4 above in order to get an average of 83. The answer is 87.

6 0

2 years ago

Which ordered pair is a solution of the equation?

Leno4ka [110]

Yes papa papa daddy daddy lol yeah bye yeah yeah bye

6 0

1 year ago

2 divided by n equals negative 7

solniwko [45]

Answer:

n= 2/-7

Step-by-step explanation:

2/n = -7

Multiply by n: 2= -7n

Divide by -7: n= 2/-7, or n= -0.286

6 0

2 years ago