Use the quadratic formula to solve the quadratic equation.3x2 = 4x - 10
A. - 
± 
B. no real solution
C. 
± 
D. all real numbers
Answer: B
Mathematics
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Determine the phase shift of the function.y = -2 cos (8x + ?)
A. 8?
B. - 
C. -?
D. 
Mathematics
Solve the logarithmic equation.log2x = 3
A. 8 B. 6 C. 9 D. 100
Mathematics
Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.
= 
+ 
A. 3
B. 
C. - 
D. -3
Mathematics
Multiply.(x + 5)(x + 3)(-5x + 4)
A. -5x3 + 36x2 + 43x + 60 B. -5x3 - 43x2 - 36x + 60 C. -5x3 - 36x2 - 43x + 60 D. -5x3 + 60
Mathematics