c = m = Gradient Form: y = mx+c y-intercept gradient -3 -3 3 y 3 x c = m = Gradient Form: y = mx+c y-intercept ? gradient ? -3 -3 3 y 3 x m = Gradient Form: = y = mx+c y = gradient 2 2 x+ 3 -3 -3 3 y 3 x m = c = Gradient Form: = y = mx+c y = y-intercept 2 3 2 x+ 3 -3 -3 3 y 3 x m = c = Gradient Form: = = y = mx+c y = y-intercept gradient 5 x+ 9 -3 -3 3 y 3 x m = c = Gradient Form: = = y = mx+c y = y-intercept -3 gradient 1 x -3 -3 -3 3 y 3 x y-intercept gradient c y = m Gradient Form: = = 0.5 x -3 -3 -3 3 y 3 x y-intercept gradient c m Gradient Form: = = y = -4 x +5 -3 -3 3 y 3 x y-intercept y = gradient c m Gradient Form: = = 4 -3 x -3 -3 3 y 3 x gradient m Gradient Form: = rise 上下 run rise run 左右 -3 -3 3 y 3 x gradient m Gradient Form: = rise run -3 run ? rise ? -3 3 y 3 x gradient m = Gradient Form: = rise run -3 4 ? 6 -3 3 y 3 x gradient m = Gradient Form: = rise run -3 -3 3 y 3 x 5 ? 7 ? positive Gradient Form: gradient y = 5 x -3 y positive x gradient negative Gradient Form: gradient y = -4 x +5 y gradient negative x m Gradient Form: = = = rise -3 -3 3 y 3 positive positive gradient x 4 ? gradient 8 ? negative = m Gradient Form: = = run -3 -3 3 y 3 gradient negative + x 5 ? negative - gradient -5 ? y-intercept c Gradient Form: = 2 y intercept on y - axis x y-intercept y = mx+c y = c = Gradient Form: 2 x+ 3 C y y - intercept x y-intercept y = mx+ y = c = Gradient Form: 2 x -4 C C y line equation y = x 2 x -4 REMEMBER Look for y = 0 x-intercept: y y = mx+ C x REMEMBER Look for y = 0 x-intercept: y y = mx+ C x y = 0 REMEMBER y = 0 y y = mx+ C y-intercept gradient at x-axis x y = 0 m c = 0 = 0 gradient y-intercept: y = m C = = y y = mx+ x C x-intercepts lies on x-axis Looking for x-intercept: y y = mx+ x C x-intercepts lies on x-axis y y = mx+ x C y y = mx+ x C x-axis x-intercept 0 y y = mx+ x C x-axis x-intercept 1 0 y 1 y = mx+ x C x-axis x-intercept 2 0 y 2 y = mx+ x C x-axis x-intercept -4 -4 0 y y = mx+ x C x-axis x-intercept 0 y y = mx+ 5 x C x-axis x-intercept Looking for x-intercept: y y = mx+ x x-axis C y = Find 2 x-intercept x for -4 C y y = mx+ x x-intercept C y = Find REMEMBER 2 y = x-intercept x for -4 0 C y y = mx+ x x-intercept C y = Find = y = 2 x-intercept x for 2 x -4 0 -4 C y y = mx+ x x-intercept C 0 = 2 x -4 inverse is 4 0 y = Find 0 + eliminating = 4 2 x-intercept x for 2 = = x -4 2 Add inverse x 2 -4 x -4 -4 + C y y = mx+ x C 0 y = eliminating Find 0 eliminating + = 4 2 4 x-intercept x for 2 = = x -4 4 2 2 -4 x = 2 x -4 -4 2 x + 4 x = C y y = mx+ x C 0 y = eliminating Find eliminating -6 = -6 3 x-intercept x for = = -6 +6 x 3 + 3 x = 3 + x +6 3 x Add inverse x = C y y = mx+ x C 0 y = eliminating Find eliminating + = -2 x-intercept for = x = 4 -4 x + = x x -2 -4 x + x = y y = mx+ x C y-intercept y = mx+ y = c Y-intercept: x =0 = 2 x -4 C C y 2 y = x 2 x -4 y-intercept y = mx+ y = c Y-intercept: x =0 = 3 x +2 C Choose the correct y-intercept . . y . . y = x 3 x +2 y-intercept x-intercept: c x = = -4 2 -4 y y-intercept ? 2 x x-intercept ? y-intercept x-intercept: Join the 2 intercepts c x = = -4 2 -4 y y-intercept 2 y = 2x - 4 x x-intercept y-intercept Straight Line x-intercept: Choose the CORRECT for y = x c = = 2 x+ gradient 3 m = y . . . . x y-intercept x-intercept: Straight Line Choose the CORRECT for y = c gradient = m x = = 2 x -4 y . . . . x y-intercept x-intercept: Straight Line Choose the CORRECT for y = c gradient = m x = = 4 x 00 y . . . . x y-intercept x-intercept: Straight Line Choose the CORRECT for y = c = gradient x = m 3.5 = 1.17 -3 x . y . x . . |