Alg Review 12/12

Multiple Choice

Find the missing terms of the arithmetic sequence:
145, ___, ___, ___, 205

• 160, 175, 190

• 165, 185, 195

• 155, 165, 175

• 190, 175, 160

Multiple Choice

Find S_n for the given series:
a₁=22
d=-8
n=21

• 138

• -148

• -146

• -138

Multiple Choice

What is the sum of the first ten terms of the sequence 4, -12, 36, -144 . . . ?

• 59,050

• -59,048

• -78,732

• 118,096

Multiple Choice

Find the common ratio: 4, -16, 64, -256, ...

• r = -4

• r = 2

• r = -2

• r = 4

Multiple Choice

Write an explicit rule for the general term of the sequence 5, 15, 45, . . . ?

• a_n = a_n-1 x 3

• a_n = 5(3)^n-1

• a_n = 3(5)^n-1

• a_n = 5 + (n-1)3

Multiple Choice

Find the missing terms in the geometric sequence
2, __, __, __, 13122,...

• 3283, 6562, 9843

• 22, 1222, 6022

• 18, 162, 1458

• 16, 128, 1024

Multiple Choice

Find the missing terms in the arithmetic sequence
1, __, __, __, 29,...

• 7, 15, 23

• 8, 15, 22

• -8, 15, -22

• 3, 9, 27

Multiple Choice

Evaluate the arithmetic series described:
14 + 23 + 32 + 41..., S₁₁

• 1296

• 1298

• 2604

• 649

Multiple Choice

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)

Multiple Choice

Write the equation of the quadratic function that has a vertex of (4,-1) and passes through the point (8, 3).

• y = 1/4(x - 4)² - 1

• y = 4(x - 4)² - 1

• y = 4(x + 4)² - 1

• y = 1/4(x + 4)² - 1

Multiple Choice

What is the equation in vertex form?

• y = -4(x + 3)² - 4

• y = -4(x - 3) - 4

• y = -4(x + 3)² + 4

• y = -4(x - 3)² + 4

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