1. Find the sequences of differences (D1, D2, D3, etc) for each of the following sequences to determine what type of sequence they are:
a) {1, 28, 95, 220, 421, 716, …} b) {0, 15, 40, 75, 120, 175, …}
2. Generate the first 6 terms for each sequence:
a) tn = 2n2 – 2n b) tn = n3 +5n2 – 10n – 15 c) tn = n4 – n2
3. Change each equation from general to transformational form by completing the square:
a)
b)
c) ![]()
d)
e)
f) ![]()
g)
h)
i) ![]()
j)
k)
l)
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4. Find the roots of the following equations using whatever method you like.
a)
b)
c) ![]()
d)
e)
f) ![]()
5. Solve the following equations using whatever method you like.
a)
b)
c) ![]()
d)
e)
f)
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g)
h)
i)
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6. Calculate the discriminant for each of the following equations. What does the discriminant tell you about the graph of the function?
a)
b)
c) ![]()
d)
e)
f)
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7. Find the equation of the parabolas that have the following points.
a) Vertex at (0, 0) and another point (4, 8) b) Vertex at (2, -5) and another point (3, 1)
c) Vertex at (-4, 3) and another point (-6, 11) d) Vertex at (-2, 3) and another point (4, 12)