MA105 COLLEGE ALG WEEK 1 --PLEASE HIGHLIGHT/MARK ANSWER (MULTIPLE CHOICE)-QUESTION 1 1. Evaluate the expression 6 7 5 1 -1 5 points QUESTION 2 1....
MA105 COLLEGE ALG WEEK 1 --PLEASE HIGHLIGHT/MARK ANSWER (MULTIPLE CHOICE)--
QUESTION 1
Evaluate the expression
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| -1 |
5 points
QUESTION 2
Identify the terms. Identify the coefficients of the variable terms of the expression.
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5 points
QUESTION 3
Evaluate the expression for the value of x=-3. (If not possible, state the reason)
2x-2
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| -9 | |
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| -6 | |
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| -8 |
5 points
QUESTION 4
Evaluate the following expression
(33)0
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| 81 | |
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| -81 | |
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| -1 |
5 points
QUESTION 5
Evaluate -u2v3 when u=4 and v=-2
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| 128 | |
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| 64 | |
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| 32 | |
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| -256 |
5 points
QUESTION 6
Simplify the following expression.
6x5(x4)
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| 6x11 | |
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| 6x9 | |
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| 6x8 | |
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| 6x7 | |
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| 6x10 |
5 points
QUESTION 7
Write a polynomial that fits the description:
A fifth-degree polynomial with leading coefficient 4
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| 1024x5 + 3x + 1 | |
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| 4x5 + 3x + 1 | |
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| 4x4 + 3x3 + 4x2 + 5x + 1 | |
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| 6x5 + 3x + 1 | |
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| x5 + 4 |
5 points
QUESTION 8
Write a polynomial in standard form and identify the degree and leading coefficient of the polynomial.
-x + 19x2 + 1
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| -x + 19x2 + 1 Degree:1; Leading Coefficient: -1 | |
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| 19x2 - x + 1 Degree: 19; Leading Coefficient: 1 | |
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| 19x2 - x + 1 Degree:3; Leading Coefficient: 1 | |
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| 19x2 = x + 1 Degree: 2; Leading Coefficient: -19 | |
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| 19x2 - x + 1 Degree: 2; Leading Coefficient: 19 |
5 points
QUESTION 9
Perform the indicated operation below and simplify if possible by combining like terms. Write the result in standard form.
(6y2 - 7y - 3) - (2y2 - 9y -7)
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| 4y2 + 2y + 4 | |
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| 4y2 + 2y - 10 | |
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| 4y2 - 16y +4 | |
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| 8y2 -16y + 4 | |
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| 8y2 + 2y + 4 |
5 points
QUESTION 10
Multiply or find the special product.
(4x - 9) (8x - 4)
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| 32x2 + 36 | |
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| 32x2 + 88x -36 | |
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| 32x2 + 88x + 36 | |
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| 32x2 - 88x - 36 | |
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| 32x2 - 88x + 36 |
5 points
QUESTION 11
Multiply or find the special product
(x+4)(x+9)
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| x2 + 13x | |
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| x2 + 4x + 36 | |
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| x2 + 36 | |
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| x2 + 13x + 36 | |
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| x2 + 13x + 9 |
5 points
QUESTION 12
Factor out the common factor.
8x3 - 104x
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| 8x3(1 - 13x) | |
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| 8(x3 - 13x) | |
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| 8x2(x - 13) | |
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| x(8x2 - 104) | |
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| 8x(x2 - 13) |
5 points
QUESTION 13
Completely factor the difference of two squares.
x2 - 16
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| (x+4) - (x-4) | |
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| (x+4)2 | |
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| (x+4)(x-4) | |
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| (x+4)+(x-4) | |
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| (x-4)2 |
5 points
QUESTION 14
Factor the perfect square trinomial.
x2 - 16x + 64
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| (x+8)(8-x) | |
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| (x+8)2 | |
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| (x-8)2 | |
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| (x+8)(x-8) | |
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| (x+8) |
5 points
QUESTION 15
Factor the trinomial
x2 + 14x + 45
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| (x-5)(x-9) | |
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| (x+5)(x-9) | |
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| (x+5)(x+9) | |
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| (x-5)-(x-9) | |
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| (x-5)(x+9) |
5 points
QUESTION 16
Completely factor the expression
5x2 - 125
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| 5(x+5)(x+125) | |
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| 5(x+5)(x+5) | |
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| 5(x-5)(x-5) | |
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| 5(x+5)(x-125) | |
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| 5(x+5)(x-5) |
5 points
QUESTION 17
Find the domain of the expression.
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| All real numbers x | |
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| All real numbers x such that x ≠ 5 | |
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| All nonnegative real numbers x such that x = 5 | |
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| All real numbers x such that x < 5 | |
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| All real numbers x such that x ≠ 1/5 |
5 points
QUESTION 18
Find the coordinates of the point labeled VI
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| (3,2) | |
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| (3,-2) | |
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| (-2,-3) | |
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| (-3,-2) | |
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| (2,3) |
5 points
QUESTION 19
Plot the points below whose coordinates are given on a Cartesian coordinate system.
(-2,7), (-7,-2), (7,-5), (7,-8)
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5 points
QUESTION 20
Find the distance between the points
(-7,8), (5,-8)
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| 20 | |
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| 400 |
