Find the coordinates of the vertex of the quadratic function.f(x) = -x2 + 2x + 4
A. (1, 5)
B. (-1, 3)
C. (2, 4)
D. (-1, 1)
Answer: A
Mathematics
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Find the Cartesian coordinates of the given point.(-2, ?)
A. (2, 0) B. (0, -2) C. (0, 2) D. (-2, 0)
Mathematics
Simplify. Write your answer with positive exponents only.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Determine whether the ordered triple (-2, 6, -1) is a solution of the system of equations.-x + 3y + 4z = 163x + 2y - z = 74x - y + 3z = -17
A. No B. Yes
Mathematics
Evaluate the expression for the given replacement values. Write the answer in simplest form.
for x = 
, y = 
A. 
B. 
C. 
D. 
Mathematics