What is the equation of the line through the origin and (7, 2)? A. y= 7x
B. y = 2/7x
C. y= 7/2x
D. y = 2x

Explanation:

The slope-intercept form of the equation of the line is

y

=

m

x

+

b

where

m

=

slope and

b

=

the y intercept

m

=

y

2

−

y

1

x

2

−

x

1

The given points are the origin

(

0

,

0

)

and (-3,6)

x

1

=

0

y

1

=

0

x

2

=

−

3

y

2

=

6

m

=

6

−

0

−

3

−

0

m

=

6

−

3

m

=

−

2

Step-by-step explanation:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!

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