Figure A is a scale image of Figure B.What is the value of x? figure A 10,x figure B 25,10
2 answers:
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In ∆ABD
In ∆BCD
Now
IN PARALLELOGRAM ABCD
Option A
Answer:
The standard form of a quadratic is y = ax^2 + bx + c.
- In this equation, the formula for the axis of symmetry is x =
.
- You know that the center will always be along that line, and you've got the x-coordinate already, so just plug that in and get the y-coordinate out for the center.
The vertex form of a quadratic is also helpful, y = a(x-h)^2 + k.
- In this equation, the formula for the center is (h, k), and the axis of symmetry is x = h! That's even easier!