MATH WEEK 8 QUIZ
Dr Richards
week_8_math.docxQuestion 1
Simplify 9log9(7)
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A. |
9 |
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B. |
97 |
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C. |
1 |
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D. |
7 |
Question 2
Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point. f(x) = -x2 - 2x - 6
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A. |
maximum; |
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B. |
minimum; |
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C. |
minimum; |
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D. |
maximum; |
Question 3
Add. (-9 + 3n6 + 3n5) + (2n6 + 5n5 + 6)
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A. |
10n11 |
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B. |
-7n6 + 8n5 + 9 |
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C. |
5 + 8n6 - 3n5 |
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D. |
5n6 + 8n5 - 3 |
Question 4
Find the zeros of the polynomial function. f(x) = x3 + 4x2 - 9x - 36
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A. |
x = -4, x = 9 |
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B. |
x = -3, x = 3 |
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C. |
x = -4, x = -3, x = 3 |
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D. |
x = 4, x = -3, x = 3 |
Question 5
Factor. y2 - 64
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A. |
(y + 8)(y - 8) |
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B. |
(y - 8)(y - 8) |
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C. |
(y + 64)(y - 64) |
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D. |
(y2 + 8)(y2 - 8) |
Question 6
Convert to an exponential equation log9 1⁄81= -2
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A. |
29 = 1⁄81 |
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B. |
9-2 = 1⁄81 |
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C. |
981 = 2 |
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D. |
1⁄812 = 9 |
Question 7
Solve and check the linear equation. 0.40x - 0.20(50 + x) = -0.04(50)
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A. |
{20} |
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B. |
{50} |
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C. |
{40} |
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D. |
{30} |
Question 8
Solve and check the linear equation. 9x - (7x - 1) = 2
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A. |
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B. |
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C. |
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D. |
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Question 9
Write in logarithmic form 43 = 64
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A. |
3 = log 64 4 |
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B. |
3 = log 4 64 |
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C. |
64 = log 4 3 |
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D. |
4 = log 3 64 |
Question 10
Find the degree of the polynomial function. g(x) = -7x3 + 9
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A. |
4 |
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B. |
-7 |
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C. |
3 |
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D. |
0 |
Question 11
Find the zeros of the polynomial function. f(x) = x3 + x2 - 42x
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A. |
x = - 7, x = 6 |
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B. |
x = 0, x = - 7, x = 6 |
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C. |
x = 0, x = 5, x = 6 |
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D. |
x = 5, x = 6 |
Question 12
Solve the equation by factoring. 3x(x - 5) = 7x2 - 16x
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A. |
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B. |
{0, 4} |
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C. |
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D. |
{0} |
Question 13
Find the slope of the line that goes through the given points. (-3, -7), (9, -7)
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A. |
4 |
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B. |
-4 |
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C. |
1 |
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D. |
0 |
Question 14
Determine whether the equation defines y as a function of x. x + y = 9
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A. |
y is not a function of x |
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B. |
y is a function of x |
Question 15
Simplify log6 1⁄36
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A. |
-2 |
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B. |
2 |
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C. |
-6 |
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D. |
6 |
Question 16
Find the slope of the line that goes through the given points. (-1, 4), (5, 4)
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A. |
2 |
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B. |
Undefined |
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C. |
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D. |
0 |
Question 17
Simplify log2 25
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A. |
5 |
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B. |
32 |
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C. |
2 |
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D. |
10 |
Question 18
Find the vertical asymptotes, if any, of the graph of the rational function.
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A. |
x = 4 |
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B. |
x = 4, x = -4 |
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C. |
no vertical asymptote |
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D. |
x = 4, x = -4, x = 0 |
Question 19
Evaluate the function at the given value of the independent variable and simplify. f(x) = x2 - 1; f(x - 2)
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A. |
x2 - 4x + 3 |
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B. |
x2 - 3 |
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C. |
x2 + 4 |
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D. |
x2 - 4x + 4 |
Question 20
Multiply. 4(5x)
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A. |
20 |
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B. |
9x |
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C. |
20x |
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D. |
9 |
Question 21
Subtract. (8n7 + 2n6 + 17) - (5n6 + 5n7 + 15)
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A. |
3n7 - 3n6 + 32 |
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B. |
3n7 - 3n6 + 2 |
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C. |
2n13 |
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D. |
3n7 + 7n6 + 32 |
Question 22
Solve the equation by factoring. x2 = x + 6
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A. |
{1, 6} |
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B. |
{-2, 3} |
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C. |
{-2, -3} |
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D. |
{2, 3} |
Question 23
Determine whether the relation is a function. {(-5, -4), (-2, 9), (-1, -2), (-1, 7)}
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A. |
Function |
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B. |
Not a function |
Question 24
Multiply. -8x2(-10x4 + 9x3)
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A. |
80x6 + 9x3 |
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B. |
80x6 - 72x5 |
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C. |
8x6 + 8x5 |
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D. |
8x2 |
Question 25
Solve and check the linear equation. 6[-6x + 6 + 4(x + 1)] = 6x + 2
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A. |
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B. |
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C. |
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D. |
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