Solve by using the quadratic formula.5x2 + 3 = 9x
A. 
B. 0
C. 
D. no real-number solutions
Answer: C
Mathematics
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Express the number in decimal notation.4.14 × 10-4
A. 0.0000414 B. -414,000 C. 0.000414 D. 0.00414
Mathematics
Use the discriminant to determine the number and type of the solutions to the quadratic equation. Do not solve the equation.6x2 - 5x = -8
A. exactly one real solution B. two real solutions C. two nonreal solutions
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 
A. 
B. - 
C. - 
D. 
Mathematics
Write the function in the form 
or 
. Find the period and phase shift.y = - 
sin
A. y = - 
sin
period = 
; phase shift = 
B. y = - 
sin
period = 3; phase shift = 
C. y = - 
sin
period = 
; phase shift = 
D. y = - 
sin
period = - 
; phase shift = - 
Mathematics