Elementary Algebra homework

QUIZ3

1.Simplify 3a – 2y + a -10y

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2. Evaluate : x2 + 4( y +2 ) when x = 2 and y = - 10

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3. Find the area when width is x and length is (x + 2)

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4. Write the product in the exponential form x(x+y)·x(x+y)·x

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5. Simplify :xy·(1/xy)

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6. Evaluate : (a+b)/(c+d) when a = 1,b = -3 , c = 3 and d = 5

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7. Subtract : 4x/3 – x/3

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8. write the verbal phrase into algebraic expression two more than three times a number

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9. Write the algebraic expression into verbal expression

5n – 3

10 Write the algebraic expression . the quotient of n and 7

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