Identify the axis of symmetry of the parabola
1 answer:
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Always remember that:
Minus x Minus = Plus
E.g. -2 x -3 = 5
Minus x Plus = Minus
E.g. -2 x 3 = -5
Plus x Plus = Plus
E.g. 2 x 3 = 5
Minus x Minus = Plus
E.g. -2 x -3 = 5
Minus x Plus = Minus
E.g. -2 x 3 = -5
Plus x Plus = Plus
E.g. 2 x 3 = 5
Answer:
Step-by-step explanation:
When two lines are parallel means that their slopes are equal. Therefore the line AB will have same slope to a parallel second line, .
To obtain the slope from the line AB, we need two points, so the general equation will be:
The typical equation of a line is written as y = mx + b
The second line will pass through point (2, -1), so we can substitute:
y2 = mX2 + b
-1 = (2) + b
then the interception is
Now to obtain a general equation for the second parallel line will be:
y = X + b
y = X -
(2)-1
Finally we get:
y = (x-2)-1