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Name: ________________________ Class: ___________________ Date: __________ ID: A Unit 5 Practice Test #3 1 Which of the following graphs could be represent 2 The table shows the number of Nachos and 2 by 2x ? Rice Bowls sold in the cafeteria for several days in one week. A Day Nachos Rice Bowls Monday 51 49 Tuesday 58 65 Wednesday 53 51 Thursday 60 58 Friday 54 57 What is the difference between the median of the data? B F 54 G 111 H 57 I 3 3 Which of the following equations could represent the graph below? C A y = −x 2 -1 D B y = x 2 -1 C y = −x 2 +1 D y = −x 3 -1 1 Name: ________________________ ID: A 4 What is the slope of the line? 6 Which equation best represents the graph below? F −2 F y = −2x − 2 1 G 2 G y = 2x − 3 H −2 1 H y = −2x − 3 I y = −3x − 2 I 2 7 What is the slope of the staircase shown? 5 What is the slope of the line passing through Ê −7,7 ˆ and Ê 5,−5 ˆ ? Á ˜ Á ˜ Ë ¯ Ë ¯ 1 A 2 −2 1 B −6 1 A C 2 B 1 D −2 C −1 1 D 6 2 Name: ________________________ ID: A 8 Which graph of has a slope of –1? F H G I 9 The chart shows the temperature in Whittier for the first eight days of December. Day 1st 2nd 3rd 4th 5th 6th 7th 8th Temp 51 û 61 û 60 û 63 û 54 û 51 û 57 û 49 û fû What is the median of the data? A 51 B 62 C 55.5 D 56 3 Name: ________________________ ID: A 10 The graph below shows the cost for purchasing 12 Which equation best represents the graph below? varying amounts of gas. According the the graph below, how much will it cost to buy 2 gallons of gas? F y = 3x − 2 G y = 3x + 3 H y = −2x + 3 F $0.00 I y = −3x − 2 G $4 H $10 13 What is the slope of this line? I $2 11 Jared scored the following number of points in his last 7 basketball games: 25, 1, 5, 16, 20, 11, 14. What is the lower quartle number of points scored by Jared in these 7 games? A 5 B 14 C 1 D 20 A −2 −2 1 B C 2 1 D 2 4 Name: ________________________ ID: A 14 Determine whether the following set of points 15 Which of the following equations could represent have a positive, negative, or no correlation: the graph below? 1 3 A y= x −1 F positive correlation −2 G no correlation 1 3 B y= x +1 H negative correlation −2 I none of the above C y = −2x 3 +1 D y = 2x 3 +1 5 Name: ________________________ ID: A 16 The table below shows the charges for renting computer equipment. What graph best represents these prices? computer equipment Number of Hours 0 1 2 3 4 5 Total Cost ($) 45 70 95 120 145 170 F H G I 6 Name: ________________________ ID: A 17 Which best represents the graph of y = 4x – 1 A C B D 18 The box-and-whisker plot below represents the number of daily absences in September. What is the upper quartile number of daily absences in September? F 21 G 3 H 4 I 6 7 Name: ________________________ ID: A 19 Which statement best describes the relationship 21 The following data represents the number of between number of rainy days and students in after-school programs: number of umbrellas sold ? 1, 3, 7, 8, 24, 23, 17. These data are shown in the box-and-whisker plot below. What is the median of the data? A 8 B 3 C 1 D 23 Which statement best describes the relationship between number of rainy days and number of umbrellas sold ? A As number of rainy days increases, number of umbrellas sold decreases. B As number of rainy days decreases, number of umbrellas sold decreases. C As number of rainy days increases, number of umbrellas sold increases. D As number of rainy days increases, number of umbrellas sold increases at first, then decreases. 20 Which linear equation is shown in the graph below? y = −5 x – 4 1 F G y = −5x – 4 1 H y = 5x – 4 I y = 5x – 4 8 ID: A Unit 5 Practice Test #3 Answer Section 1 C 2 I 3 A 4 I 5 C 6 H 7 A 8 F 9 C 10 H 11 A 12 F 13 C 14 H 15 C 16 H 17 D 18 F 19 C 20 I 21 A 1

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posted: | 4/17/2013 |

language: | English |

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