Answer:
Step-by-step explanation:
The standard form of an equation of a circle:
(h, k) - center
r - radius
The general form of an equation of a circle:
We have the center (-2, 1). Substitute to the equation in the standard form:
Put thr coordinates of the point (-4, 1) to the equation and calculate a radius:
Therefore we have the equation:
Convert to the general form.
Use
Answer:
x = 90
y= 43
Step-by-step explanation:
Answer:
15) letter A
16) letter C
Step-by-step explanation:
Used a graphing calculator,
hope this helps.
Answer:
x = 4.
Step-by-step explanation:
2x + 3 = 10.
Simplify 3 - 10 = -7.
2x = -7.
Divide 2x = -7 to 4.
Hope this helps!
Have a good day ma'am/sir.
Be safe!