Identify the vertex and sketch the graph of the equation.y = -x2 - 4x - 3
A. vertex: (-2, 1)
B. vertex: (-0.5, 3.25)
C. vertex: (-2, -1)
D. vertex: (2, 1)
Answer: A
Mathematics
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Find the slope of the line tangent to the curve at the given value of x.f(x) = x2 - 5x; x = -3
A. 24 B. -11 C. 9 D. -6
Mathematics
Provide an appropriate response.In solving a system of three equations in three variables, the final step yields the following equation: 
How many solutions does this system have? Explain geometrically.
What will be an ideal response?
Mathematics
Solve the equation.2(x + 5) = 5 - 4(x + 5)
A. 
B. - 
C. 
D. 25
Mathematics
Perform the indicated operation and simplify.
+ 
A. 3
B. 
C. 0
D. 
Mathematics