OpenStudy (anonymous):
[7.02] Choose the correct simplification of (3a2 + 8a − 4) + (5a2 − 4). 8a2 + 8a −2a2 + 8a 8a2 + 8a − 8 −2a2 + 8a − 8 -------------------------------------------------------------------------------- Question 6 (Multiple Choice Worth 4 points) [7.04] Choose the correct simplification of . x5y5 x11y21 x10y10 x16y26 -------------------------------------------------------------------------------- Question 7 (Multiple Choice Worth 3 points) [7.01] Choose the polynomial written in standard form. x2y2 + xy − 1 10xx2 + x2y + 3 5x + x3 − 3 1over x^5 -------------------------------------------------------------------------------- Question 8 (Multiple Choice Worth 4 points) [7.04] Choose the correct simplification of . x3 x7 -------------------------------------------------------------------------------- Question 9 (Multiple Choice Worth 3 points) [7.02] Choose the correct simplification of (2x3 + x2 − 4x) − (9x3 − 3x2). 11x3 − 2x2 − 4x −7x3 + 4x2 − 4x −2x3 − 2x2 − 4x −7x3 − 4x2 − 4x -------------------------------------------------------------------------------- Question 10 (Multiple Choice Worth 4 points) [7.04] Choose the correct simplification of . x11 x24 x5 -------------------------------------------------------------------------------- Question 11 (Multiple Choice Worth 4 points) [7.03] Choose the correct simplification of (7x3y3)2. 14x6y6 49x5y5 49x6y6 14x5y5 -------------------------------------------------------------------------------- Question 12 (Essay Worth 6 points) [7.01] Part 1: Explain, in complete sentences, what it means to write a polynomial in standard form. Part 2: Provide an example of a 4-term polynomial, not in standard form, and explain how to rewrite it in standard form.
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