Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.1 - 
= 
A. - 
B. -2
C. 2
D. 
Answer: B
Mathematics
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Solve the equation. Express radicals in simplest form.2x2 = 30
A. {16}
B. {-15, 15}
C. {-
, 
}
D. {15}
Mathematics
Solve for the requested variable.y varies directly as x and inversely as the square root of w, and y = 15 when 
and 
. Find y when 
and 
A. y = 
B. y = 10
C. y = 
D. y = 40
Mathematics
Find the focus and directrix of the parabola with the given equation.x2 = 32y
A. Focus: (0, -8), directrix: y = 8 B. Focus: (-8, 0), directrix: x = 8 C. Focus: (8, 0), directrix: x = -8 D. Focus: (0, 8), directrix: y = -8
Mathematics
Find the sum, if possible.
+ 
A. 
B. 
C. Not defined
D. 
Mathematics