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1. |
Find the sum (–5x + 6) + (–2x – 7). |
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A. |
7x + 13 |
B. |
–7x – 1 |
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C. |
–7x + 1 |
D. |
–7x + 13 |
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Hint |
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2. |
Which expression is the additive inverse of –x2 + 3x – 8? |
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A. |
x2 - 3x - 8 |
B. |
-x2 - 3x - 8 |
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C. |
x2 + 3x - 8 |
D. |
x2 - 3x + 8 |
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Hint |
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3. |
Find the product -c(c3 - 3c2 + c). |
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A. |
-c4 + 3c3 |
B. |
-c4 - 3c3 + c2 |
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C. |
-c3 + 3c2 - c |
D. |
-c4 + 3c3 - c2 |
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Hint |
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4. |
Solve the equation x(x – 9) – 10 = x(x + 2) + 12. |
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A. |
-7 |
B. |
-2 |
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C. |
-22 |
D. |
2 |
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Hint |
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5. |
The letters F, O, I, and L in the FOIL method stand for _____. |
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A. |
first, outer, inner, and last |
B. |
first, odd, independent, and last |
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C. |
first, only, inner, and last |
D. |
first, outside, inside, and least |
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Hint |
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6. |
Find the product (2z - 5x)2. |
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A. |
4z2 - 25x2 |
B. |
4z2 - 25x2 - 20 |
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C. |
4z2 - 20zx + 25x2 |
D. |
4z2 + 25x2 |
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Hint |
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7. |
State whether the expression 5jk + 4j is a monomial, binomial, trinomial or not a polynomial. |
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A. |
not a polynomial |
B. |
monomial |
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C. |
trinomial |
D. |
binomial |
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Hint |
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8. |
Find the degree of the polynomial 22x5y + 13x7 + 4xy5 + x4y5. |
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A. |
13 |
B. |
22 |
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C. |
7 |
D. |
9 |
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Hint |
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9. |
Find the product of 3 – 4x and 3 + 4x. |
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A. |
9 – 16x2 |
B. |
6 |
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C. |
9 + 16x2 |
D. |
6 + 8x |
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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)2 = a2 – 2ab + 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)(a – b) = a2 – b2 |
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Hint |
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