Graph the equation and give the coordinates of the vertex.y = x2 - 2x + 8 
A. (1, -9)
B. (-1, 7)
C. (-1, 9)
D. (1, 7)
Answer: D
Mathematics
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Use the graph to complete the identity.cos 3x cos 
x + sin 3x sin 
x = ? 
A. y = cos 
x
B. y = sin y = cos 
x
C. y = sin y = cos 
x
D. y = cos y = cos 
x
Mathematics
Solve.log5 
= x
A. -2
B. 2
C. 
D. 
Mathematics
Solve the system by substitution.x - y2 = 0x - 16 = 0
A. (16, ±4) B. (±4, 16) C. (16, 4) D. (16, ±16)
Mathematics
Provide an appropriate response.5x2 - 7 = 3x. Is this a linear equation?
A. No B. Yes
Mathematics