section 2_5 solutions

# section 2_5 solutions - Math 1650 Homework Solutions Jason...

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Unformatted text preview: Math 1650 Homework Solutions Jason Snyder, PhD. Page 1 of 11 Â§ 2.5 6 â€“ 44 (even) 5 â€“ 18 A quadratic Function is Given. (a) Express the quadratic function in standard form. (b) Find its vertex and its x- and y-intercept(s). (c) Sketch its graph. 6) Â¡ = 2 + 8 ( ) = 2 + 8 = 2 + 8 + 16 Â¡ âˆ’ 16 = + 4 Â¡ 2 âˆ’ 16 The vertex is âˆ’ 4, âˆ’ 16 Â¡ . y-intercept: 0 x-intercepts: 0, -8 x y Math 1650 Homework Solutions Jason Snyder, PhD. Page 2 of 11 8) Â¡ = âˆ’ 2 + 10 ( ) = âˆ’ 2 + 10 = âˆ’ 2 âˆ’ 10 + 25 Â¡ + 25 = âˆ’ âˆ’ 5 Â¡ 2 + 25 The vertex is 5,25 Â¡ . y-intercept: 0 x-intercepts: 0, 10 x y 10) Â¡ = 2 âˆ’ 2 + 2 ( ) = 2 âˆ’ 2 + 2 = 2 âˆ’ 2 + 1 Â¡ + 2 âˆ’ 1 = âˆ’ 1 Â¡ 2 + 1 The vertex is 1,1 Â¡ . y-intercept: 2 x-intercepts: none x y Math 1650 Homework Solutions Jason Snyder, PhD. Page 3 of 11 12) Â¡ = âˆ’ 2 âˆ’ 4 + 4 ( ) = âˆ’ 2 âˆ’ 4 + 4 = âˆ’ 2 + 4 + 4 Â¡ + 4 + 4 = âˆ’ + 2 Â¡ 2 + 8 The vertex is âˆ’ 2,8 Â¡ . y-intercept: 4 x-intercepts: âˆ’ 2 + 2 Â¢ 2 and âˆ’ 2 âˆ’ 2 Â¢ 2 x y 14) Â¡ = âˆ’ 3 2 + 6 âˆ’ 2 ( ) = âˆ’ 3...
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section 2_5 solutions - Math 1650 Homework Solutions Jason...

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