Algebra quarter exam 3 questions

# Algebra quarter exam 3 questions

Quarter Exam 3

Factor the expression.

_____1. 16m2 – 24mn + 9n2
A. (4m – 3n)(4m + 3n)
B. (16m – 3n)(m + 3n)
C. (4m – 3n)2
D. (4m + 3n)2

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2. Write 32x5y5 with only one exponent. Use parentheses.

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_____3. Factor by grouping.

3×2 + 7x – 6

A. (3x – 2)(x – 3)
B. (3x – 2)(x + 3)
C. (x + 3)(3x + 2)
D. (3x + 2)(x – 3)

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4. Factor the following trinomial.

w18 – 9w9y5 + 14y10

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_____5. Simplify the expression. Write the answer using scientific notation.

8(8.8 x 1012)

A. 70.4 x 1012
B. 70.4 x 1024
C. 70.4 x 1013
D. 1.68 x 1013

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6. Order 34 x 102, 1.2 x 107, 8.11 x 10-3, and 435 from least to greatest.
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7. Factor the following expression.

198q3r2 – 184q2r2 + 18qr2

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_____8. Simplify the expression.

(〖-1〗^5/〖-2〗^(-3) )^2

A. 1/64
B. 64
C. 2^30
D. 2^(-30)

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9. Find the next three terms of the sequence. Then write a rule for the sequence.

648, 216, 72, 24

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10. Solve the equation. Show your work.

163 = 4x

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_____11. Solve the system using elimination.

3x + 3y = –9
3x – 3y = 21

A. (3, –6)
B. (–5, 2)
C. (3, 3)
D. (2, –5)

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_____12. Simplify the expression.

3^7/3^5

A. 335
B. 312
C. 1/3^9
D. 9

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_____13. Simplify the expression.

(k2)4
A. k6
B. 2k8
C. k16
D. k8

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_____14. Simplify the expression.

(-8.6)0

A. –1
B. 0
C. –8.6
D. 1

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15. Find a pair of factors for each number by using the difference of two squares.
a. 45
b. 77
c. 112

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