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Chapter 8 Quiz on Lessons 6 to 8 Get a whiteboard, marker, eraser, or graph paper, and ruler. What’s on the quiz? Copy this down. Look at a graph and write the equation using slope-intercept form. Write the equation of a line given two points. Write the equation of a line given the slope and the yintercept. Find slope using two points. Write equations for parallel and perpendicular lines. Look at a scatter plot, draw a best-fitting line, and make predictions. Use function notation. Solve linear systems. Pre-Algebra 8.6-8.8 Review Answers will appear after problem on screen. Get in function form. 3x-4y=16 Y=3/4x-4 Solve the linear system (find the intersecting point) : Y= 3x - 8 Y = 2x - 5 (3, 1) Solve the linear system by graphing: X+Y=3 X - Y = -5 (-1, 4) Solve the linear system: Y = 5x - 3 Y = 5x + 2 No solution Solve the linear system Y = -4x + 3 Y = -4x + 3 Infinitely many solutions Write the equation of the line. Y=1/2 x + 1 Write the equation of the line that goes through the points: (2,5) and (0, -6) Y=11/2 x-6 Write the equation of a line parallel to: Y = 5x -6 And goes through the point (0, 7) Y=5x+7 Write the equation of a line perpendicular to: Y = 5x -6 And goes through the point (0, -8) Y=-1/5x-8 F(x)=3x-5 Find f(6) 13 F(x)=3x-5 Find x when f(x)=1 X=2