Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 - 4x + 2y - 7 = 0
A. a. center = (-2, 1); radius = 12
b. (2 + 
, 0), (0, -1 + 2
)
B. a. center = (-2, -1); radius = 2
b. (2 + 
, 0), (0, -1 + 2
)
C. a. center = (2, -1); radius = 2
b. (2 + 
, 0), (2 - 
, 0), (0, -1 + 2), (0, -1 - 2
)
D. a. center = (2, -1); radius = 2
b. (-2 + 
, 0), (-2 - 
, 0), (0, 1 + 2
), (0, 1 - 2
)
Answer: C
You might also like to view...
Find an equation of the line tangent to the given curve at the point (a, f(a)). f(x) = -3e6x , a = 0
A. y = -3x - 3 B. y = 18x + 3 C. y = -18x - 3 D. y = 3x + 3
Classify the following as true or false.The product of a non-zero rational number and an irrational number is irrational.
A. True B. False
Answer the question.How would you express the product of two numbers, r and s?
Fill in the blank(s) with the appropriate word(s).
Perform the indicated clock arithmetic.2 ? 12 (12-hr clock)
A. 24 B. 12 C. 2 D. 1