MOVING STRAIGHT AHEAD Contestants Don’t Forget... Although they give answers in the form of questions on the TV show, you do not need to do this. You do need to write your answers on your game board! Vocabulary Real World SLOPE YINTERCEPT 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 Vocabulary for $100 The constant in front of the variable, determines rate or steepness of a line. coefficient Back to Game Vocabulary for $200 The vertical line of the two perpendicular lines in a coordinate plane Y-axis Back to Game Vocabulary for $300 The horizontal change between two coordinates run Back to Game Vocabulary for $400 A relationship between two variables in which the value of one variable depends on the value of the other variable function Back to Game Vocabulary for $500 The ratio of rise to run slope Back to Game Real World for $100 Rudo’s father gives Rudo $5 then $0.50 for each math problem he answers correctly on his tests. Write an equation to represent this. R=5+.50p (R=amount of money and p=number of questions Back to Game Real World for $200 If you add 15 to 3 times this number, you get 78. What is the number? 21 Back to Game Real World for $300 If you subtract 27 from 5 times the mystery number, you get 83. What is the mystery number? 22 Back to Game Real World for $400 Use the equation A=5+0.5d. Suppose Alana walks 28 kilometers. What amount is owed? 19 Back to Game Real World for $500 Use the equation G=2d. Suppose Gilberto received 98 dollars. How far did he walk? 49 Back to Game Slope for $100 Identify the slope of the equation 1 y 4x 2 -4 Back to Game Slope for $200 Given the following coordinates, find the slope of the line: (-3,-2), (-1,2), (1,6) 2 or 2/1 Back to Game Slope for $300 If the y-intercept is 1, and the line goes through the point (-2,2), what is the slope? 1 2 Back to Game Slope for $400 The line passes through the points (6,2) and (4,1). What is the slope? 1 2 Back to Game Slope for $500 x y -2 -5 -1 -3 0 -1 1 1 Find the slope of the line represented by the data in the table. +2 Back to Game Y-intercept for $100 The slope is 1 and passes through the point (4,7). What is the y-intercept? 3 Back to Game Y-intercept for $200 How does the yintercept show up on a graph? It’s the point where the line crosses the yaxis. (when x=0) Back to Game Y-intercept for $300 What are the yintercepts in the following equations? 1)y 3x 4 2)y 4 x 1) 4 2) 0 Back to Game Y-intercept for $400 A line passes through the points (1,-5) and (-3,3). It has a slop of -2. What is the y-intercept? -3 Back to Game Y-intercept for $500 The total cost, C, for the drama club to put on the play is C=1.25N + 250, where N is the number of tickets sold. What is the y-intercept and what does it stand for IN THE CONTEXT of the problem? $250; that is their up front charge, perhaps for rental of the building or props Back to Game Miscellaneous for $100 What is a ‘break-even point’? When income=expenses; the point at which they start to make money Back to Game Miscellaneous for $200 Solve the following equation: 4x 12 22 5 2 Back to Game Miscellaneous for $300 Solve for t: 3t-4=-10+2t -6 Back to Game Miscellaneous for $400 What is an equation whose line would be parallel to the following line: Y=8-2x Y=-2x Y=-2x+1 (as long as the equations has -2x in it) Back to Game Miscellaneous for $500 What is an equation of a line that is perpendicular to the line y=2x-7 Y =-1/2x +2 (as long as the equation has a (or -0.5)in it. 1 2 How much do you want to risk? Consider the following equation: 2x-y+2=4x Find x if y = 1 1 2 How’d you do? Please review your vocab crossword puzzle and the review sheets you were given.