The equation of a circle with centre (a,b) and radius r is:
(x - a)^2 + (y - b)^2 = r^2
thus,
here centre (a,b) = (-3,6), a = -3, b = 6
and radius = diameter/2 = 20/2 =10 units
therefore, the equation is
(x + 3)^2 + (y - 6)^2 = 100
which is c.
y = x² - 4x + 8
4x + y = 12
4x + y = 12
4x + (x² - 4x + 8) = 12
x² + 4x - 4x + 8 = 12
x² + 8 = 12
- 8 - 8
x² = 4
x = ±2
4x + y = 12
4(2) + y = 12
8 + y = 12
- 8 - 8
y = 4
4x + y = 12
4(-2) + y = 12
-8 + y = 12
+ 8 + 8
y = 20
(x, y) = (2, 4) and (-2, 20)
Answer:
B) The data is skewed right.
Step-by-step explanation:
The data is not skewed right. You can tell because the left side of the box is longer than the right, meaning that it is skewed left.
Answer:
−1
/2
x<−12
Step 1: Multiply both sides by 2/(-1).
(
2
/−1
)*(
−1
/2
x)<(
2
/−1
)*(−12)
x>24
Answer:
x>24
Step-by-step explanation: