Algebra unit 7 quiz 1

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Find the sum of the given polynomials. 5 m + 2 n , n - 3 m , and 7 - 3 n 7 - 2 m 2 m + 7 14 m + 5 n - 6 9 m

2 m + 7

ax + by + c , 2 ax - 3 by + c , and by - c 3 ax - by + c 3 a + x - bc 3 ax + by - cd bx - 3 bc + a

3 ax - by + c

Subtract. 3 x + z + 9 3 x - 16 y - z + 9 3 x - z + 9

3 x + z + 9

Find the sum of 5 m + 3 n + p , -5 p + 3 n , and 2 n - m . -4m + 8n - 4p 4m + 8n + 4p 4m - 8n - 4p 4m + 8n - 4p

4m + 8n - 4p

Simplify -3 p3 + 5 p + (-2 p2 ) + (-4) - 12 p + 5 - (-8 p3 ). Select the answer in descending powers of p . 1 - 7 p - 2 p2 + 5 p3 5 p3 - 2 p2 - 7 p + 1 1 + 7 p + 2 p2 - 5 p3 -5 p3 + 2 p2 + 7 p + 1

5 p3 - 2 p2 - 7 p + 1

Subtract -2k 3 + k 2 - 9 from 5k 3 - 3k + 7 . 3k 3 + k 2 - 3k - 2 -7k 3 + k 2 + 3k - 16 7k 3 - k 2 - 3k + 16

7k 3 - k 2 - 3k + 16

Identify the polynomial. x3- y3 + z monomial binomial trinomial

trinomial

Find - x + 10 less than 0. 0 -x + 10 x - 10

x - 10

Take 2 y2 - 3 y - 5 from y3 - 6 y2 + 5 y . Select the correct answer. y3 - 2 y2 + 3 y + 5 y3 - 4 y2 + 2 y - 5 y3 - 4 y2 + 2 y + 5 y3 - 8 y2 + 8 y + 5

y3 - 8 y2 + 8 y + 5

Identify the polynomial. x3y3 monomial binomial trinomial

binomial

Take 4 a - 3 b + 2 c from 2 a - 3 b + 4 c . -2a + 2c -2a - 2c 2a + 2c 2a - 2c

-2a + 2c

Find the sum of 2 x2 + 3 x - 4, 8 - 3 x , and -5 x2 + 2. -3 x2 - 2 -7 x2 - 2 -3 x2 + 6 -7 x2 - 6 x - 2

-3 x2 + 6

Simplify 5 t + ( t - 3) - [(7 t + 5) - (8 - 3 t )]. -4t 4t -10t 10t

-4t

Simplify (2 n + 5) - (3 n + 7) + (4 n - 9). -3n - 11 3n - 11 -3n + 11 3n + 11

3n - 11

Using the polynomials Q = 3 x2 + 5 x - 2, R = 2 - x2 , and S = 2 x + 5, perform the indicated operation. Q - [ R + S ] 2 x2 + 3 x - 9 4 x2 - 3 x + 9 2 x2 - 3 x + 9 4 x2 + 3 x - 9

4 x2 + 3 x - 9

Simplify a - { b - [ c - ( d - e ) - f ] - g }. a + b + c - d + e - f + g a - b + c - d + e - f + g a + b + c + d + e - f + g a - b + c - d + e + f - g

a - b + c - d + e - f + g


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