If c is the midpoint of kn what is kc?

a. 18

b. 4.5

c. 19

d. 9

19

Step-by-step explanation:

If C is the midpoint of KN, then KC = CN

So we can equate the expressions

KC = CN

Subtract 2x on both sides

Subtract 1 on both sides

Divide both sides by 2

Now we find out KC

step-by-step explanation:

y = | -2(-2) |     →     y = | 4 |     →     y = 4       ⇒   (-2, 4)

y = | -2(-1) |     →     y = | 2 |     →       y =   2       ⇒   (-1, 2)    

y = | -2(0) |     →     y = | 0 |     →       y = 0         ⇒   (0, 0)

y = | -2(1) |   c →     y = | -2 |     →     y =   2         ⇒   (1, 2)    

y = | -2(2) |     →     y = | - 4 |     →     y =   4         ⇒   (2, 4)  

5+2x=a

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