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Algebra 8 Midterm Review Solving Equations Linear Equations Graphing Linear Equations Word Problems Miscellaneous $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 Team 1 Team 2 Team 3 Back to Game Board Team 4 100 pts m=4 Music Score Back 200 pts b = -2 Music Score Back 300 pts solve for g: Music fg - 9h = 10j Score Back 400 pts 7 - 3r = r - 4(2 + r) no solution Music Score Back 500 pts {7, -3} Music Score Back 100 pts Write the equation of a line in point-slope form if the line has a slope of -2 and goes through the point (2, -1). y + 1 = -2(x - 2) Music Score Back 200 pts Write the equation of a line in slope-intercept form if the slope of the line is and goes through the point (4, 2). y = 1/2 x y = 1/2x + 4 Music Score Back 300 pts Write the equation of a line in slope-intercept form if the line goes through the points (3, 5) and (2, -2). y = 7x - 55 Music Score Back 400 pts Write into standard form: 5x - 3y = -24 Music Score Back 500 pts Write the equation of a line in slope-intercept form if the line goes through the point (3, 6) and is perpendicular to 3x - 4y = -2. y = -4/3x + 10 Music Score Back 100 pts On a piece of graph paper, graph the equation Music Score Back 200 pts Jackie works for a treadmill company. The red equation represents how much her company spends on building the treadmills. The blue equation represents how profit her company earns per treadmill. How many treadmills does her company have to sell to make their profit equal to the cost to build a treadmill? Total Profit Number of Treadmills sold Jackie's company needs to sell 22 treadmills in order for their profit to equal their cost. Music Score Back 300 pts Solve the following system of equations graphically. Then describe the solution: y = 2x - 17 y = x - 10 1 solution (7, -3), consistent and independent Music Score Back 400 pts Graph the linear function below by finding the xintercept and y-intercept. 3x - 2y = 12 x-intercept: (4, 0) y-intercept: (0, -6) Music Score Back 500 pts Part A: graph line a: y = 2x - 3 Part B: Construct line b on the coordinate grid so that line a and line b represent a system of linear equations with a solution of (2, 1). Write the equation of line b in slope-intercept form. answers may vary Music Score Back 100 pts State whether each percent of change is percent of increase or decrease. Then find the percent of change. Original: 98.6 New: 64 35% percent of decrease Music Score Back 200 pts Find the final price of each item. TV: $375.00 Discount: 25% Tax: 7.25% $301.64 Music Score Back 300 pts Jamie works at American Eagle and earns a higher salary each year. After 2 years of working, Jamie was making $16 per hour. After 5 years of working, Jamie was making $22. Part A Write an equation in slope-intercept form to represent Jamie's hourly salary per year. Part B What will Jamie's salary be after working for 8 years? y = 2x + 12 After 8 years, she will be making $28 per hour. Music Score Back 400 pts 29 2 x 2x + 5 Write an equation to show that the measure of <ABD is equal to the measure of <FEC. Then solve the equation. x=8 Music Score Back 500 pts -2x + 5 = ax + b Find one value of a and one value for b so that there are no values of x that makes the equation above true. a can be anything other than -2. b can be anything other than 5. Music Score Back 100 pts Determine if each of the following are a function or not. a) b) c) d) a) no b) no c) yesd) yes Music Score Back 200 pts If f(x) = 2x + 4 and g(x) = a) f(4) 3) + g(2) a) f(4) = 12 , find each value. b) g(-6) b) g(-6) = 33 Music Score c) f(- c)f(-3) + g(2) = -1 Back 300 pts Write the equation for each line: a) b) a) x = -2 Music b) y = 3 Score Back 400 pts To the left is a scatter plot with a line of best fit drawn. Using the points (4, 2) and (18, 8), find the equation of the line of best fit. y = 3/7x - 2/7 Music Score Back 500 pts Shelly has $175 to shop for jeans and sweaters. Each pair of jeans costs $25, each sweater cost $20, and she buys 8 items in total. Determine the number of pairs of jeans and sweaters that Shelly bought. Shelly bought 3 pairs of jeans and 5 sweaters Music Score Back Daily Double What is the equation of the function on the graph to the left? f(x) = | x + 4 | Music Score Back Daily Double Write your wager in the box. Go on to Daily Double Question Music Score Back Instructions for Playing Jeopardy: · Edit the category titles, questions, and answers. Hide the answer text behind the yellow box. If you click the yellow box, it will fade away - don't worry. It will reset when you come back to the page. If you would like to add a "Daily Double" question, choose the square from the game board that you would like to be the DD and change the link to the Daily Double slide. Divide your class into four teams (or whatever works for you. Just edit the Scoreboard slide appropriately). One representative from the first team chooses a category and a question value. Click the yellow value to go to the question. · Read the question aloud. (You can play the Jeopardy music by clicking the "Music" link at the bottom of the slide if you wish. Click it again to stop it.) When the correct answer has been given, reveal the answer by clicking the yellowedged box. (You might have to click twice.) Then click "Score" to go to the Scoreboard. Note: Using the left and right arrows will not navigate the game properly. Use only the links that are contained within each page to get around. · Use the pen to add the team's scores. Then click "Back" to go back to the Game Board. · Before going on to the next question, drag the small blue box that is located directly below the Game Board over the last question used to remove it from play. It is cloned infinitely so just keep on draggin'! · When students find the Daily Double slide, click the image to move to the wager screen. Only the team who chose the question may answer. One representative from the team can use the pen to write their wager in the box. If the team answers correctly, they add their wager to their score. If they answer incorrectly, the wager is deducted from their score.