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1. |
The surface area of a rectangular box can be found using the polynomial expression , where is the length of the box, w is the width of the box, and h is the height of the box. What is the surface area of a box whose length is 7 inches, width is 4 inches, and height is 5 inches? |
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A. |
166 in2 |
B. |
182 in2 |
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C. |
180 in2 |
D. |
150 in2 |
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Hint |
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2. |
Rewriting the expression (2x + 5x) + (4 – 1) as (2 + 5)x + (4 – 1) shows the use of the _______. |
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A. |
Distributive Property |
B. |
Addition Property of Equality |
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C. |
Associative Property of Addition |
D. |
Commutative Property of Multiplication |
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Hint |
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3. |
Refer to the diagram below. Find the area of the shaded region in simplest form. |
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A. |
3x2 + 42x |
B. |
3x2 + 7x |
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C. |
3x2 + 7 |
D. |
3x2 + 42 |
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Hint |
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4. |
The letters F, O, I, and L in the FOIL method stand for _____. |
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A. |
first, odd, independent, and last |
B. |
first, outside, inside, and least |
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C. |
first, outer, inner, and last |
D. |
first, only, inner, and last |
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Hint |
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5. |
State whether the expression 5jk + 4j is a monomial, binomial, trinomial or not a polynomial. |
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A. |
monomial |
B. |
binomial |
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C. |
trinomial |
D. |
not a polynomial |
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Hint |
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6. |
Rewriting the expression (y + 5) – (4y + 1) as (1 – 4)y + (5 – 1) shows of grouping the like terms and the use of the _______. |
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A. |
Associative Property of Addition |
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B. |
Addition Property of Equality |
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C. |
Distributive Property |
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D. |
Commutative Property of Multiplication |
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Hint |
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7. |
Solve the equation 3(x + 2) = 5 – 5(2x – 8). |
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A. |
x = 3 |
B. |
x = 1 |
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C. |
x = -3.154 |
D. |
x = -2.143 |
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Hint |
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8. |
Find the product of 3 – 4x and 3 + 4x. |
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A. |
9 – 16x2 |
B. |
9 + 16x2 |
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C. |
6 + 8x |
D. |
6 |
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Hint |
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9. |
Which equation represents the square of a difference? |
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A. |
(a + b)(a – b) = a2 + b2 |
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B. |
(a – b)2 = a2 – 2ab + b2 |
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C. |
(a + b)(a – b) = a2 – b2 |
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D. |
(a + b)2 = a2 + 2ab + b2 |
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Hint |
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10. |
Which equation represents the product of a sum and a difference? |
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A. |
(a + b)(a – b) = a2 + b2 |
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B. |
(a + b)(a – b) = a2 – b2 |
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C. |
(a + b)2 = a2 + 2ab + b2 |
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D. |
(a – b)2 = a2 – 2ab + b2 |
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Hint |
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