1111Exam1Review.pdf

# 1111Exam1Review.pdf - Math 1111 Fall 2017 Powell Review for...

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Math 1111 Fall 2017 Powell Review for Exam 1 For problems 1 through 11, EITHER solve each equation for the variable by hand OR graph each side of the equation and label each graph, the vertex of any parabola, and any points of intersection. However you choose to solve, write the solution, or state that there is no real solution, or that all real numbers are solutions. Whenever possible, give exact answers; do not round. 1. 3( 𝑥𝑥 − 2) + 5 = 2(3 𝑥𝑥 − 5) 2. 4( 5 𝑥𝑥 + 8) 7 𝑥𝑥 = 3( 𝑥𝑥 − 5) 1 3. 3( 𝑥𝑥 + 5) + 5 𝑥𝑥 = 2( 𝑥𝑥 − 6) 4. 3( 𝑥𝑥 − 2) 5 𝑥𝑥 = 2( 𝑥𝑥 + 3) 5. 3𝑥𝑥 2 + 10 = 4 6. 𝑥𝑥 2 + 6 𝑥𝑥 + 5 = 0 7. 𝑥𝑥 2 = 2 𝑥𝑥 + 15 8. ( 𝑥𝑥 + 6) 2 = 36 9. ( 𝑥𝑥 − 8) 2 = 75 10. ( 𝑥𝑥 + 1) 2 = 9 11. 2 𝑥𝑥 2 + 9 𝑥𝑥 + 5 = 0 12. For each part, is it a function? State YES or NO. a. {(1, 3), (2,4), (3,0)} b. {(8,2), (8,3), ( 6,2)} c. 𝑦𝑦 = 2 5 𝑥𝑥 − 1 d. 𝑦𝑦 = 𝑥𝑥 2 7 𝑥𝑥 e. 𝑦𝑦 2 = 2 + 𝑥𝑥 f.

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