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Pre-Calculus Practice Problem 180

# Pre-Calculus Practice Problem 180 - Unit 5 Activity 8...

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Unit 5, Activity 8, General Assessment, Spiral with Answers Blackline Masters, Advanced Math-Pre-Calculus Page Comprehensive Curriculum, Revised 2008 178 1. Simplify: 2 5 3 3 2 x x x + + 2x - 1 2. Find the inverse of f ( x ) = x 2 – 1. Is the inverse a function? Why or why not? The inverse is y x = ± + 1 . It is not a function because y is matched to two values. 3. Given: kx + 2 y = 6 8 x + ky = 8 Find the value of k that makes the lines parallel. k = 4 4. x 2 kx – 15 = 0 One root of this quadratic is 5. Find the value of k. k = 2 5. If one leg of a right triangle is 4 and the other is 6, find the hypotenuse. 2 13 6. In the triangle below find BC in simplest form. BC = 10 3 7. Given the parent function f ( x ) = x 2 . Describe the transformations that have taken place
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