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Algebra Final Review Set 3
Test Description: Algebra mixed topics
Instructions: Answer all questions to get your test result.
1) Which is a recursive rule for the arithmetic sequence 22, 15, 8, 1….?
A
f(1) = 22; f(n) = f(n - 1) - 7
B
f(1) = 22; f(n) = f(n - 1) + 7
C
f(1) = 1; f(n) = f(n - 1) + 7
D
f(1) = 1; f(n) = f(n - 1) - 7
2) What is an equation for a line with a y-intercept of (0, -1) that contains the point (-4, -18)?
A
y = 4.25x + 1
B
y = -4.25x - 1
C
y = -4.25x + 1
D
y = 4.25x - 1
3) Which of the following is a factor of 8x^2 + 14x + 5?
A
(2x + 5)
B
(4x + 5)
C
(4x + 1)
D
(8x + 5)
4) Solve -8t + 16 = 7(10 - 8t).
A
no real solutions
B
9/8
C
8/9
D
1
5) The sum of the measures of two angles is 180 degrees. The difference between the angle measures is 70 degrees. What is the measure of the smaller angle?
A
90 degrees
B
110 degrees
C
125 degrees
D
55 degrees
6) The graph of a quadratic function has a vertex at (4, -8) and contains the point (5, -6). Which of the following functions cannot be modeled by this graph?
A
y = 2(x + 4)^2 - 8
B
y = 2(x - 4)^2 - 8
C
y = 2x^2 -16x + 24
D
y=2(x - 2)(x - 6)
7) At what x-value does the graph of f(x) = x^2 - 16x + 64 touch the x-axis?
A
-4
B
-8
C
4
D
8
8) A pond has 200 fish and the population is decreasing by 6% each month. Which equation can model the amount of fish, A, after m months?
A
A = 200(0.94)^x
B
A = 200 - 6x
C
A = 6(200)^x
D
A = 200(0.06)^x
9) What is the equation and slope of a line parallel to the y - axis that passes through the point (3, 5)?
A
x = 3, slope = 0
B
x = 3, slope is undefined
C
y = 5, slope is undefined
D
y = 5, slope = 0
10) What is the product of (2/3x - 5)^2 ?
A
4/9x^2 - 20/3x + 25
B
4/9x^2 - 10/3x - 25
C
4/9x^2 + 25
D
4/9x^2 -25
*select an answer for all questions
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