GEORGIA MATHEMATICS 1 - Carnegie Learning

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Mid-Chapter Test PAGE 24. Create a graph of the quadratic function on the grid below. First, choose your bounds andintervals. Be sure to label your graph clearly.Answers may vary. Sample answers are provided below.Variable quantity Lower bound Upper bound IntervalHorizontal distance 0 3.75 0.25Height 0 3.75 0.253.753.503.25yA Cricket’s Jump33.002.752.50Height (feet)2.252.001.751.501.251.000.750.500.25y = −3x 2 + 6x0.00x0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75Horizontal distance (feet)5. What is the domain and range of the function in the problem situation? Use a completesentence in your answer.The domain is zero to two and the range is zero to three.© 2008 Carnegie Learning, Inc.6. Determine the x-intercepts of the graph. Interpret the meaning of the x-intercepts in theproblem situation. Use complete sentences in your answer.Sample Answer: The x-intercepts are 0 and 2. The x-intercepts indicate the startingand landing points for the cricket. The intercept (2, 0) gives the horizontal distance thecricket jumped.234 Chapter 3 ■ Assessments Georgia Mathematics 1
Mid-Chapter Test PAGE 3Name ___________________________________________________Date _____________________Use the quadratic function y = –2x 2 – 4x – 3 for Questions 7 through 9.7. Algebraically determine the line of symmetry and the vertex of the graph. Show all yourwork and use a complete sentence in your answer.x 42(2)4 41y 2(1) 2 4(1) 32 4 31The axis of symmetry is x = –1 and the vertex is (–1, –1).38. Draw the graph of the function. Be sure to graph and label the line of symmetry andthe vertex.y87x = −16543© 2008 Carnegie Learning, Inc.21−8 −7 −6 −5 −4 −3 −2 O 1 2 3 4 5 6 7 8(−1, −1)−1−3−4y = −2x 2 − 4x − 3x−5−6−7−8Georgia Mathematics 1 Chapter 3 ■ Assessments 235
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GEORGIA MATHEMATICS 1 - Carnegie Learning

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