Give the center and radius of the circle. Then sketch its graph.(x + 3)2 + (y + 5)2 = 25
A. center (3, - 5), r = 5
B. center (3, 5), r = 5
C. center (- 3, 5), r = 5
D. center (- 3, - 5), r = 5
Answer: D
Mathematics
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Express the number in scientific notation.0.0000004
A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
Mathematics
Locate and classify all critical points for the given function.f(x,y) = 4 - (x2 - y2)
A. Saddle point at (0, 0) B. Maximum of 4 at (0, 0) C. Minimum of 4 at (0, 0) D. None of the above is correct.
Mathematics
Solve.
= 
A. 15
B. 
C. 4
D. 
Mathematics
Evaluate the absolute value expression.
A. 0
B. - 
C. 
D. 
Mathematics