Name _____________________ Algebra 1 Extra Practice 1) Simplify: (7 y 2 5 y 4) (4 y 2 7 y 3) 5) Which of the following equations corresponds to the graph below? a) 3 y 2 2 y 7 b) 3 y 2 12 y 7 c) 11 y 2 2 y 7 d) 11 y 2 2 y 1 a) 2) Multiply: (2x – 5)(3x + 4) b) y x 1 x 5 a) 6 x 23 x 20 2 c) b) 6 x 2 20 c) 6 x 2 7 x 20 d) 5 x 2 7 x 20 3) Factor: 12a b 6ab 3 a) 6ab 2a b b) 6ab 2a 2 b3 y x 1 x 5 y x 1 x 5 d) y x 1 x 5 6) 4 Given the parabola, y x 2 6 x 14 , find the vertex. a) (3, 5) b) (– 3. 20) c) 6a 2b 2 b 2 c) (6, 14) d) 3a3b2 4a 2b 2 d) (– 3, 41) 4) Multiply: a) b) c) d) x 3 x2 6 x 9 x2 6 x 9 x2 9 x2 9 2 Algebra 1 Extra Practice 7) Choose the graph that represents y 3x 2 . 8) Which of the following is the graph of the function f(x) = (x – 2)2. a) b) c) d) a) b) 9) Given the family of functions: y 2x 2 y 2x 2 3 c) y 2x 2 1 What effect does the 2 have on the graph of this family of functions? a) Determines the width of the parabola. b) Opens the parabola downwards. c) Shifts the vertex to the right. d) Shifts the vertex to the left.. d) Algebra 1 Extra Practice 10) Solve: 2x2 – 3x – 4 = 0 a) x b) x 13) Simplify: 3 41 4 3 a) 2 41 2 3 23 c) x 4 d) x 3 28 7 b) 4 c) 4 d) 2 7 23 4 14) Multiply: (3 5)(7 2) 11) Solve: x 2 2 x 15 0 a) 15 14 a) x = – 15 or x = 1 b) 10 21 b) x = 15 or x = – 1 c) x = – 3 or x = 5 d) x = 3 or x = – 5 c) 21 10 d) 10 7 15) Simplify: 4 3 5 12) Simplify: a) 6 2 b) 2 6 c) 12 24 a) 4 2 5 3 3 b) 9 8 c) 4 5 8 d) 7 3 3 d) 4 6 16) Factor: 8x2 – 36x a) 4x (2x – 9) b) 2x ( x – 18) c) 4 (2x2 – 9x) d) 8x ( x – 4) 53 3 Algebra 1 Extra Practice 17) Multiply: (2x – 3)(3x – 5x + 2) 2 23) Simplify 48x5 24) Solve x2 + 6x – 7 = 0 by completing the square. 18) Factor: x2 – 3x – 18 25) Convert y = x2 – 10x + 5 to vertex form. 19) Solve: x2 – 3x = 10. 26) Solve √𝑥 + 4 − 5 = 9 20) Factor: 3x2 + 24x – 27 27) Determine the horizontal and vertical 3 asymptotes of 𝑦 = 𝑥−4 − 6 28) Solve 𝑥−1 5 = 2𝑥−2 15 21) Factor: x2 – 169 29) Solve 𝑧 2 +4𝑧4𝑧 + 3 = 𝑧 +6 3 + 𝑧 +4 1 22) Simplify x4 y9
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