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2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 The solution to this system is (3,-2) The Solution of a system is where the lines Intersect 2 -2 4 -4 2 -2 4 -4 6 -6 State the solution: ( ) , 2 -2 4 -4 2 -2 4 -4 6 -6 State the solution: ( ) , 2 -2 4 -4 2 -2 4 -4 6 -6 State the solution: ( ) , 2 -2 4 -4 2 -2 4 -4 6 -6 State the solution: ( ) , x + 10y = 32 5x + y = 13 Solutions to systems satisfy ALL equations (2,3) is a solution to this system because it satisfies ALL equations of the system: (2) + 10(3) = 32 5(2) + (3) = 13 Is the point (2, 3) a solution to:
x - y = -1 x + y = 4 Yes No Is the point (-4, 1) a solution to:
2x - y = -9 x + y = -3 No Yes A + B = C Standard Form A,B, and C are all integers 3x + 4y =12 x y 5x - 7y= 11 Examples: Slope-Intercept Form m= slope b = y-intercept y x y = 4x + 7 y = ⅜x - 2 Examples: = m +b A + B = C Standard Form ? A,B, and C are all integers 3x + 4y =12 x y 5x - 7y= 11 Examples: Slope-Intercept Form ? m= slope b = y-intercept y x y = 4x + 7 y = ⅜x - 2 Examples: = m +b Is this equation in slope-intercept form or standard form?
y =2x - 3 Slope-intercept Standard To graph, do you find the slope and y-intercept or the x-intercept and y-intercept?
y =2x - 3 slope and y-intercept x-intercept and y-intercept slope =(fraction) What is the slope and y-intercept?
y =2x - 3 y-intercept = Is this equation in slope-intercpet form or standard form?
4x - y = 12 Slope-intercept Standard To graph, do you find the slope and y-intercept or the x-intercept and y-intercept?
4x - y = 12 slope and y-intercept x-intercept and y-intercept Finito Finito Finito Finito |