Jeopardy Chapter 7 Chapter 8 Chapter 9 Chapter

Jeopardy Chapter 7 Chapter 8 Chapter 9 Chapter 10 Q $100 Q $100 Q $200 Q $200 Q $300 Q $300 Q $400 Q $400 Q $500 Q $500 Final Jeopardy

$100 Question from H 1 a) Solve the inequality. b) Then graph the solutions on the number line. 5 + 3 n < -13

$100 Answer from H 1 n<-6

$200 Question from H 1 a) Solve the inequality. b) Then graph the solutions on the number line. -5 < 3 x+8 < 2

$200 Answer from H 1 -13/3<x<-2

$300 Question from H 1 Solve for x: (Absolute Value) 1 2 x-7 1 = 5

$300 Answer from H 1 x= 1, 6

$400 Question from H 1 a) Solve the inequality. b) Then graph the solutions on the number line. Ix+9 I<3

$400 Answer from H 1 -12< x <-6

$500 Question from H 1 Graph the inequality. 2 y < 5 x - 8

$500 Answer from H 1 y<5/2 x – 4 See Mr. Muir for Graph

$100 Question from H 2 Solve the linear system by graphing. X = 16 – 4 y 3 x + 4 y = 8

$100 Answer from H 2 (-4, 5)

$200 Question from H 2 Solve the linear system by substitution. y = 10 x – 8 -5 x + 3 y = 51

$200 Answer from H 2 (3, 22)

$300 Question from H 2 Solve the linear system by elimination (also called combination) method. 5 x + 4 y = 32 9 x – y = 33

$300 Answer from H 2 (4, 3)

$400 Question from H 2 The Science and Technology Museum is a popular field trip destination. This year the 7 th and 8 th grade classes both planned trips there. The 7 th grade class rented and filled 8 vans and 8 buses with 240 students. The 8 th grade class rented and filled 4 vans and 1 bus with 54 students. Every van had the same number of students in it as did the buses. How many students can each vehicle hold?

$400 Answer from H 2 Van: 8 Students Bus: 22 Students

$500 Question from H 2 Graph the system of Inequalities 3 x – 4 y > 12 Y = 1/3 x + 4

$500 Answer from H 2 See Mr. Muir for Graph

$100 Question from H 3 Simplify the Expression: 5 -3

$100 Answer from H 3 1/125

$200 Question from H 3 Simplify the Expression: y(4 x)-3 5 xy 4

$200 Answer from H 3 5 y 5/ 6 x 2

$300 Question from H 3 Evaluate the expression. Write your answer in scientific notation. (5. 3 x 104 ) ( 6. 8 x 10 -12)

$300 Answer from H 3 3. 604 x 10 -7

$400 Question from H 3 You deposit $825 in a savings account that grows at a rate of 7% annual interest compounded yearly. Write a function that models the balance in the account over time.

$400 Answer from H 3 825(1. 07)t

$500 Question from H 3 A type of bacteria grows at a rate of 4. 5% per hour. The number of bacteria cells is currently 360. Write a function that represents the number of bacteria there will be 6 hours from now.

$500 Answer from H 3 b= 360(1. 045)t B = 468. 81 bacteria

$100 Question from H 4 Find the difference: (5 x 2 + 2 x + 8) – (-3 x 2 + 2 x – 21)

$100 Answer from H 4 8 x 2 + 29

$200 Question from H 4 Find the Product (2 x + 4) (3 x – 8 )

$200 Answer from H 4 6 x 2 – 4 x – 32

$300 Question from H 4 Factor Completely 36 x 2 -64

$300 Answer from H 4 4(3 x +4)(3 x – 4)

$400 Question from H 4 Factor Completely: b 3 -5 b 2 -4 b+20

$400 Answer from H 4 (b-2) (b+2)(b-5)

$500 Question from H 4 Solve: 15 x 2 + 28 x - 64 = 0

$500 Answer from H 4 (5 x + 16) (3 x – 4 ) X = -16/5, 4/3

$100 Question from H 5 Find the axis of symmetry and the vertex of the graph of the function. Then tell whether the function has maximum value or a minimum value, and what it is. a) F(x) = x 2 + 6 x + 8

$100 Answer from H 5 Aos: x = -3 V: (-3, -1) Minimum at y = -1

$200 Question from H 5 What are the zeros of the function: F(x) = x 2 + 6 x + 8

$200 Answer from H 5 X = -2, -4

$300 Question from H 5 Write a quadratic function of the form y = ax 2 +c that passes through (0, 4) and (2, 10)

$300 Answer from H 5 Y = 3/2 x + 4 or y = 1. 5 x +4

$400 Question from H 5 The length of a Mr. Muir’s new classroom is 2 meters less than Three times the width. The area of the classroom is 43 square meters. What is the length of the classroom?

$400 Answer from H 5 3 w 2 – 2 w -43 = 0 Using the quadratic formula, W = about 4. 13 meters

$500 Question from H 5 To celebrate the end of the year, Mr. Muir throws the Algebra 1 book straight into the air at an initial height of 6 feet and an initial velocity of 48 feet per second. a) Using one of the models below, write an equation that gives the height (in feet) of the soccer ball as a function of time (in seconds) since it left the goalie’s hand. b) After how many seconds does it hit the ground?

$500 Answer from H 5 a. ) h = -16 t 2 + 48 t + 6 b. ) 3. 12 seconds

Final Jeopardy 1. )Describe the Correlation. 2. )Explain the procedure for writing a line of best fit. 3. ) If I wanted to use it topredict future data outside the data range, what would this be called?

Final Jeopardy Answer 1. ) Positive Correlation 2. ) Draw line of best fit, pick two points on the line, find the equation of the line using point slope form. 3. ) Extrapolation