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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) = 1; f(n) = f(n - 1) + 7
B
f(1) = 22; f(n) = f(n - 1) + 7
C
f(1) = 22; 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
(4x + 5)
B
(2x + 5)
C
(4x + 1)
D
(8x + 5)
4) Solve -8t + 16 = 7(10 - 8t).
A
1
B
9/8
C
8/9
D
no real solutions
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
125 degrees
B
110 degrees
C
55 degrees
D
90 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 = 2x^2 -16x + 24
B
y = 2(x - 4)^2 - 8
C
y = 2(x + 4)^2 - 8
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
-4
C
8
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 - 6x
B
A = 6(200)^x
C
A = 200(0.06)^x
D
A = 200(0.94)^x
9) What is the equation and slope of a line parallel to the y - axis that passes through the point (3, 5)?
A
y = 5, slope = 0
B
x = 3, slope = 0
C
x = 3, slope is undefined
D
y = 5, slope is undefined
10) What is the product of (2/3x - 5)^2 ?
A
4/9x^2 - 20/3x + 25
B
4/9x^2 -25
C
4/9x^2 + 25
D
4/9x^2 - 10/3x - 25
*select an answer for all questions
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