JEOPARDY! Click Once to Begin 8TH GRADE Algebra 1 Unit 4 Linear Functions and Relations Template by Bill Arcuri, WCSD JEOPARDY! Graphing y=mx+b SlopeIntercept PointSlope Parallel and Perpendicular Scatter Plots Potpourri 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Template by Bill Arcuri, WCSD Graphing y=mx+b 100 Points Give the slope and y-intercept of the line. Template by Bill Arcuri, WCSD Graphing y=mx+b 100 Points Answer Slope = ½ Y-intercept = -7 or (0,-7) Template by Bill Arcuri, WCSD Graphing y=mx+b 200 Points Give the slope and y-intercept of the line. Template by Bill Arcuri, WCSD Graphing y=mx+b 200 Points Answer Slope = 3 − 5 Y-intercept = 1or (0,1) Template by Bill Arcuri, WCSD Graphing y=mx+b 300 Points Graph the line of the equation: Template by Bill Arcuri, WCSD Graphing y=mx+b 300 Points Answer Template by Bill Arcuri, WCSD Graphing y=mx+b 400 Points Give the slope an y-intercept of The line that has the equation… Template by Bill Arcuri, WCSD Graphing y=mx+b 400 Points Answer Slope = -2 Y-intercept = -5 or (0,-5) Template by Bill Arcuri, WCSD Graphing y=mx+b 500 Points Graph the line of the equation Column 1 Column 2 Template by Bill Arcuri, WCSD Graphing y=mx+b 500 Points Answer Template by Bill Arcuri, WCSD Slope-Intercept 100 Points Write an equation of a line that Has a slope of ½ and passes Through the origin. Template by Bill Arcuri, WCSD Slope-Intercept 100 Points Answer y= 1 2 x Template by Bill Arcuri, WCSD Slope-Intercept 200 Points Write an equation for the line 3 That has a slope ๏ญof2 And passes through the point (0,5). Template by Bill Arcuri, WCSD Slope-Intercept 200 Points Answer 3 ๐ฆ =− ๐ฅ+5 2 Template by Bill Arcuri, WCSD Slope-Intercept 300 Points Does the graph of the line below Slant upwards or downwards? Explain. Template by Bill Arcuri, WCSD Slope-Intercept 300 Points Answer Downwards. When you put The equation into slope-intercept Form you can see that the slope is 5 3 Template by Bill Arcuri, WCSD Slope-Intercept 400 Points Write the equation for the line That has a slope of 1/3 and passes through the point (-2,8). Template by Bill Arcuri, WCSD Slope-Intercept 400 Points Answer 1 2 ๐ฆ = ๐ฅ+8 3 3 Template by Bill Arcuri, WCSD Slope-Intercept 500 Points Write the equation for the line That passes through the points (-6,1) and (5,4). Template by Bill Arcuri, WCSD Slope-Intercept 500 Points Answer 3 7 ๐ฆ= ๐ฅ+2 11 11 Template by Bill Arcuri, WCSD Point-Slope 100 Points Write the equation in point-slope Form for the line that passes through the point (3,0) and has a slope of 4 3 Template by Bill Arcuri, WCSD Point-Slope 100 Points Answer 4 ๐ฆ = ๐ฅ−4 3 Template by Bill Arcuri, WCSD Point-Slope 200 Points Write the equation in point-slope Form for the line that has a slope of 2 and passes through the point (1,-4). Template by Bill Arcuri, WCSD Point-Slope 200 Points Answers y = 2x - 6 Template by Bill Arcuri, WCSD Point-Slope 300 Points Write the following equation In slope-intercept form: Template by Bill Arcuri, WCSD Point-Slope 300 Points Answer 3 1 ๐ฆ = ๐ฅ−1 4 4 Template by Bill Arcuri, WCSD Point-Slope 400 Points Name the slope and a point On the line: Template by Bill Arcuri, WCSD Point-Slope 400 Points Answer Slope = ½ Point = (-2,6) Template by Bill Arcuri, WCSD Point-Slope 500 Points Name the slope and a point On the line: Template by Bill Arcuri, WCSD Point-Slope 500 Points Answer Slope = 5 − 2 Point = (7,-5) Template by Bill Arcuri, WCSD Parallel and Perpendicular 100 Points Determine if the lines below Are Parallel, Perpendicular, or Neither: Template by Bill Arcuri, WCSD Parallel and Perpendicular 100 Points Answer Neither. Template by Bill Arcuri, WCSD Parallel and Perpendicular Topic 4 200 Points Determine if the lines below Are Parallel, Perpendicular, or Neither: Template by Bill Arcuri, WCSD Parallel and Perpendicular 200 Points Answer Perpendicular The slopes are opposite reciprocals. Template by Bill Arcuri, WCSD Parallel and Perpendicular 300 Points Determine if the lines below Are Parallel, Perpendicular, or Neither: Template by Bill Arcuri, WCSD Parallel and Perpendicular 300 Points Answer Parallel. 1 They both have a slope of 4 Template by Bill Arcuri, WCSD Parallel and Perpendicular 400 Points Write the equation for the line In slope-intercept form, that is parallel to 3y-6x=10 And passes through the point (-3,1) Template by Bill Arcuri, WCSD Parallel and Perpendicular 400 Points Answer y = 2x + 7 Template by Bill Arcuri, WCSD Parallel and Perpendicular 500 Points Write the equation for the line In slope intercept form that is perpendicular to 4x+2y=8 And passes through the point (3,5). Template by Bill Arcuri, WCSD Parallel and Perpendicular 500 Points Answer 1 1 ๐ฆ = ๐ฅ+3 2 2 Template by Bill Arcuri, WCSD Scatter Plots and Best Fit Lines 100 Points Is there a positive correlation, a Negative correlation, or no correlation for the scatter plot below. Template by Bill Arcuri, WCSD Scatter Plots and Best Fit Lines 100 Points Answer Positive Correlation. Template by Bill Arcuri, WCSD Scatter Plots and Best Fit Lines 200 Points Is there a positive correlation, a Negative correlation, or no correlation for the scatter plot below. Template by Bill Arcuri, WCSD Scatter Plots and Best Fit Lines 200 Points Answer Negative Correlation. Template by Bill Arcuri, WCSD Scatter Plots and Best Fit Lines 300 Points Week 1 2 3 4 5 6 Score 122 131 130 133 145 139 The table show’s Ming’s bowling scores each week she Participated in a bowling league. Write the equation for the line of best fit. Template by Bill Arcuri, WCSD Scatter Plots and Best Fit Lines 300 Points Answer y = 3.7x + 120.3 Template by Bill Arcuri, WCSD Scatter Plots and Best Fit Lines 400 Points Find the equation for the line of best fit: Year 1996 1998 2000 2004 2006 2008 Students 22 per computer 18 14 10 6.1 4.9 Template by Bill Arcuri, WCSD Scatter Plots and Best Fit Lines 400 Points Answer y = -1.4x + 21 OR y = -1.4x + 2840 Template by Bill Arcuri, WCSD Scatter Plots and Best Fit Lines 500 Points Find the equation for the line of best fit: Age Percent of Budget Spent on Entertain ment. 30 6.1 40 6.0 50 5.4 60 5.0 70 4.7 80 3.4 Template by Bill Arcuri, WCSD Scatter Plots and Best Fit Lines 500 Points Answer y = -0.05x + 7.9 Template by Bill Arcuri, WCSD Potpourri 100 Points Is the line x = -2 horizontal or vertical? What is the slope? Template by Bill Arcuri, WCSD Potpourri 100 Points Answer The line x=-2 is vertical, And the slope is undefined (no slope). Template by Bill Arcuri, WCSD Potpourri 200 Points Write the following equation In standard form. 3 5 ๐ฆ= ๐ฅ+ 4 8 Template by Bill Arcuri, WCSD Potpourri 200 Points Answer -6x + 8y = 5 Template by Bill Arcuri, WCSD Potpourri 300 Points Daily Double!!! Without Graphing, Do the points (-1,-2), (0,1) and (1,4) lie on the same line? Explain your reasoning. Template by Bill Arcuri, WCSD Potpourri 300 Points Answer Daily Double!!! Yes, they are on the same line. If you look at the slopes between Any two points, you get 3. Template by Bill Arcuri, WCSD Potpourri 400 Points Daily Double!!! Rewrite the equation for the function in Standard form: y + 7 = -3 (x + 1) 2 Template by Bill Arcuri, WCSD Potpourri 400 Points Answer Daily Double!!! 3x + 2y = -17 Template by Bill Arcuri, WCSD Potpourri 500 Points The points (4,r) and (r,2) lie on a Line with a slope of -5/3. What is the value of r? Template by Bill Arcuri, WCSD Potpourri 500 Points Answer ๐ − 2 −5 = 4−๐ 3 Use cross products: 3(r-2) = -5(4-r) r=7 Template by Bill Arcuri, WCSD