Use the vertex formula to find the vertex of the quadratic function.f(x) = 5x2 + 10x - 4
A. (1, 11)
B. (-1, -9)
C. (2, 36)
D. (-2, 6)
Answer: B
Mathematics
You might also like to view...
Evaluate the expression.(-7)2
A. -14 B. -49 C. 14 D. 49
Mathematics
Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.(4, -1) and (6, -5)
A. 6
B. 12
? 20.785
C. 2
? 4.472
D. 12
Mathematics
Solve the problem.How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the function A(t) = 650e-0.189t, where t is the time in years? Round your answer to the nearest hundredth year.
A. 122.85 years B. 3.67 years C. 34.27 years D. 37.94 years
Mathematics
Solve the equation for c.103c + 5 = d
A. c = log d - 
B. c = log
C. c = 
D. c = 
Mathematics