Sketch the graph of the quadratic function. Identify the vertex and the axis of symmetry.f(x) = -x2 + 2x + 8
A. vertex: (1, 9)
axis of symmetry: x = 1
B. vertex: (1, 9)
axis of symmetry: x = 1
C. vertex: (- 1, 9)
axis of symmetry: x = - 1
D. vertex: (1, - 9)
axis of symmetry: x = 1
Answer: B
Mathematics
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Make the graph of 
. Use a horizontal span of 0 to 5.
What will be an ideal response?
Mathematics
Solve the equation.
x + 5 = 11
A. 
B. 
C. 15
D. 30
Mathematics
Evaluate the integral.
A. 
B. 
C. Diverges
D. 1
Mathematics
An urn contains six red balls and four green balls. A sample of seven balls is selected at random.Find the probability that five red and two green balls are selected.
What will be an ideal response?
Mathematics