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Since the radius is 5, I can find my four points by moving 5 points in any direction?
That's a good question, but I have no idea. sorry.
Or maybe i guess starting with the center points that are already given. Is where you could find the other points?
just substitute (h,k) for the center point into the general equation r is radius plot the center point radius would be the same for left/right/up/down|dw:1443802057472:dw|
One sec. I'm tryin to understand what you just put.
Alright well. Can you help me if it's not too much to ask on how to do question 5? It's a little different from question 1.
well the questions are the same difference is they already replace h,k with center point in first question
\[\huge\rm (x-h)^2+(y-k)^2=r^2\] general equation center at (-4,2) r=5 sub (h,k) for (-4,2) and r for 5
|dw:1443803124096:dw| here draw a point at (-4,2)
ops. Meant to label it.
first number represent x-coordinate
What? I did. Negative 4 and positive 2 right? On the graph the point should be there right?
no it's -4,2 not (2,-4) -4 is x 2=y
Omg. Oohhhhh. Yeah. Should have warned you, math is not my forte. Obviously.
oh well you're pretty good 't it
|dw:1443804021187:dw|alright draw a point at (-4,2)
right ! good now draw radius 5 unit up left /right and down|dw:1443804506829:dw| now we can draw a circle
5 units from the center up/down/left/right
make sense ? :=)
Yes ma'am!/sir. Thank you very much!
np :=) good luck!
Find your four points on the circle, and the center point of the circle. Then use a protractor to draw the circle.