Answer:
n = -5
Step-by-step explanation:
Divide both sides by 3 to get x by itself
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Answer:
4/5
Step-by-step explanation:
x2-x1/y2-y1
-2-2=-4
-1-4=-5
-4/-5
Simplify
4/5
The slope is 4/5
Since the focus is at (0, 2) and directrix is y = -2
point where both of these have the same x-value will be at (0, 2) for the focus and (0, -2) for the directrix.
The vertex will also have the same x-value so it will be (0, y).
y-value is half-way between the y-value of the focus, and the y-value of the directrix at x = 0.
Directrix y-value is -2 at x = 0 and for the focus it's 2 at x = 0.
Halfway between y = -2 and y = 2 is y = 0.
So the vertex of the parabola occurs at (0, 0).
So that's x^2 = 4ay = 4(2)y = 8y.
y = 1/8*x^2
hope it helps
Answer:
Option 3
Step-by-step explanation:
We need to find a pair which shows equivalent expressions.
First equation is
Option 1 is incorrect.
Second equation is
Option 2 is incorrect.
Third equation is
Option 3 is correct.
Fourth equation is
Option 4 is incorrect.
Therefore, the correct option is 3.
