Solve the quadratic equation by completing the square.x(x + 3) = 70
A. -7, 10
B. -10, 7
C. -10, 1
D. 10, 7
Answer: B
Mathematics
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Find the x- and y-intercepts of the graph of the equation.2x + y = 8
A. x-intercept: (0, 6); y-intercept: (0, -4) B. x-intercept: (6, 0); y-intercept: (-4, 0) C. x-intercept: (8, -4); y-intercept: (6, 8) D. x-intercept: (4, 0); y-intercept: (0, 8)
Mathematics
Determine the standard equation of the ellipse described.Focus at (-2, 0); vertices at (-6, 0) and (6, 0).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Simplify the power of i.i59
A. -1 B. 1 C. i D. -i
Mathematics
Round to the indicated place.The Dow Jones Industrial Average increased by 1.312% last week. Express this change rounded to the nearest tenth.
A. 1.31% B. 1.2% C. 1.3% D. 1.4%
Mathematics