Factor the expression completely.(r + s)2 - 25
A. 
2
B. 
2
C. 
D. 
2
Answer: C
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Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x - 3)2 - 9
A. vertex: (3, - 9)
axis of symmetry: x = 3
B. vertex: (- 3, - 9)
axis of symmetry: x = - 3
C. vertex: (3, - 9)
axis of symmetry: x = 3
D. vertex: (- 3, - 9)
axis of symmetry: x = - 3
Solve the problem.A force of 
will stretch a rubber band 
. Assuming Hooke's law applies, how much work is done on the rubber band by a 
force?
A. 0.135 J B. 0.015 J C. 1350 J D. 0.045 J
Write the following as a sum using powers of 10 to show place value.6.000622
A. 6 ? 10-1 + 0 ? 101 + 0 ? 102 + 0 ? 103 + 6 ? 104 + 2 ? 105 + 2 ? 106 B. 6 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 6 ? 10-4 + 2 ? 10-5 + 2 ? 10-6 C. 6 ? 100 + 6 ? 10-1 + 2 ? 10-2 + 2 ? 10-3 D. 6 ? 101 + 6 ? 10-1 + 2 ? 10-2 + 2 ? 10-3
Multiply.
A. 280,000 B. 270,000 C. 269,000 D. 271,000