Use the quadratic formula to solve the equation.8x2 + 7x = -2
A. 
B. 
C. 
D. 
Answer: B
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Find an equation of a parabola satisfying the given conditions.Find the equation of the parabola with vertex at the origin and axis along the x-axis if the parabola passes through the point 
A. x2 = 
y
B. y2 = 
x
C. x2 = 
y
D. y2 = 
x
Provide an appropriate response.The fraction 
converted to a decimal is 0.625.
A. True B. False
Use the compound interest formula to determine the final value of the given amount.$1,000 at 6% compounded semiannually for 4 years
A. $1229.87 B. $266.77 C. $1266.77 D. $1262.48
Solve the problem.An earthquake was recorded which was 1,584,893 times more powerful than a reference level zero earthquake. What is the magnitude of this earthquake on the Richter scale? Intensity on the Richter scale is log10(I/I0).
A. 5.2 B. 6.2 C. 14.3 D. 0.62