Find the midpoint of CD.
C = (-3,4) and D = (5,-8)

(1, -2)

Step-by-step explanation:

Use the midpoint formula to find the midpoint of the line segment.

Substitute in the values for   and  

Add  − 3 and 5

Divide 2 by 2

Cancel the common factor of  (4 - 8)  and  2

( 1 , 2 − 4 )

Subtract  4  from 2  .

(1,-2)

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answer4 to the second power is 16

and 4 to the third power is 64,

b

step-by-step explanation:

the equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 4) and (x₂, y₂ ) = (3, - 5) ← 2 points on the line

m = = = - 3

with m = - 3 and (a, b) = (3, - 5), then

y - (- 5) = - 3(x - 3), that is

y + 5 = - 3(x - 3) → b