Solve the problem.Find the slope of a line perpendicular to the tangent of the curve of y = 5 - 5x2 where x = -2.
A. 20
B. -20
C. 
D. - 
Answer: D
Mathematics
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The coordinates of the center of a circle and a point on the circle are given. Find the radius of the circle.Center: (5, 0), point on the circle: (5, -3)
A. 0 B. -3 C. 9 D. 3
Mathematics
Given the matrices A and B, find the matrix product AB.A = 
, B = 
Find AB.
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x =8, y =6; (8, 6) B. x =8, y =8; (8, 8) C. x =-6, y =6; (-6, 6) D. inconsistent
Mathematics
Write the slope-intercept form of the equation for the line passing through the given pair of points.
and 
A. y = 
x
B. y = 5x + 9
C. y = 
x + 
D. y = 
x - 
Mathematics