Write the equation in standard form. Then identify the vertex of the parabola.y = -2x2 + 5x - 1
A. y = 2
2 - 
; 
B. y = -2
2 + 
; 
C. y = -2
2 + 
; 
D. y = -2
2 + 
; 
Answer: B
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A. -23.365 B. 23.365 C. 46.729 D. -46.729
Solve.5x2 - 30x + 40 = 0
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Fill in the blank(s) with the appropriate word(s).