Find the discriminant of x2-6x -10 = 0, and determine the number of real solutions of the equation.
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Answer:
R = (- 3, 8 )
Step-by-step explanation:
Using the midpoint formula , equate the coordinates to the corresponding coordinates of Q.
let R = (x, y ) , then
(x + 11 ) = 4 ( multiply both sides by 2 )
x + 11 = 8 (subtract 11 from both sides )
x = - 3
(- 2 + y) = 3 ( multiply both sides by 2 )
- 2 + y = 6 ( add 2 to both sides )
y = 8
Thus
R = (- 3, 8 )