Solve the equation by completing the square.x2 + 10x + 6 = 0
A. {-5 - 
, -5 + 
}
B. {5 + 
}
C. {-10 + 
}
D. {5 - 
, 5 + 
}
Answer: A
Mathematics
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Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.
x2 - x + 
= 0
A. 0.5, 2.5 B. 0.382, 2.618 C. 2.5 D. -0.303, 3.303
Mathematics
Solve.A gelatin mold is in the shape of a hemisphere (half-sphere). If its diameter is 4 inches, find the exact volume of gelatin that 
will hold.
A. 
? cu in.
B. 
? cu in.
C. 40? cu in.
D. 
? cu in.
Mathematics
Find the y-intercept and any x-intercepts.y = x2 + 4
A. y-intercept (4, 0), no x-intercepts B. y-intercept (0, 4), no x-intercepts C. y-intercept (0, 4), x-intercept (4, 0) D. x-intercept (4, 0), no y-intercepts
Mathematics
Simplify the expression.
A. 35 B. 3 C. 7 D. -7
Mathematics