Answer:
B = (7, 2)
Step-by-step explanation:
B = 2M -A
B = 2(3, 4) -(-1, 6) = (2·3-(-1), 2·4-6)
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The expression for the other end point, B, comes from the equation for the midpoint.
M = (A +B)/2
2M = A + B . . . . . multiply by 2
2M -A = B . . . . . . subtract A to get an expression for B
x=9
Add 6 to both sides of the equation. x = 3 + 6
Add 3and 6.
B
Y=2x+4
2x-y=-4
subtract 2x
-y=-2x-4
divide by -1
y=2x+4
Answer: 1
Step-by-step explanation: There can only be one triangle like that!
it is number 3 (-1/5)
