Which is the graph of f(x) = 2(3)*?

Mathematics

1 answer:

Lubov Fominskaja [6]3 years ago

5 0

Answer:

1,9

Step-by-step explanation:

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Find the equation of the line passing through the points (-2/3,1) and (-2,1/2). Write the equation in standard form.

7nadin3 [17]

Standard form is y = mx + b.
To find the slope, m, we must find the 'rise over run,' or the difference in y divided by the difference in x. We do this by:
$\frac{y1 - y2}{x1 - x2} = \frac{ (- \frac{2}{3} ) - ( -2 )}{(1) - ( \frac{1}{2} ) } = \frac{ \frac{4}{3} }{ \frac{1}{2} } \\ = \frac{4}{3} \times \frac{2}{1} = \frac{8}{3}$
Therefore, the slope is 8/3.

To find b, we must plug in the slope and one point:
$(1) = ( \frac{8}{3} )( - \frac{2}{3} ) + b \\ 1 = - \frac{16}{9} + b \\ \frac{25}{9} = b$
Therefore, b is 25/9, and the total equation is
$y = \frac{8}{3} x + \frac{25}{9}$

3 0

3 years ago

HEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPPPP

alukav5142 [94]

Answer:

1=5 so x=4.5

Step-by-step explanation:

so 11x-9=7x+9

4x=18

x=18/4

x=4.5

4 0

3 years ago

What is the value of x<br><br> 1/5 = 25/x

Mama L [17]

First getting x as a numerator rather than a denominator. Then grouping like terms by moving 5 from the left side to the right. Work below:
$\frac{1}{5} = \frac{25}{x} \\ \frac{1}{5}*x = \frac{25}{x}*x\\ \frac{1}{5}x = 25\\\frac{1}{5}x * 5 = 25*5\\x=125$