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10 cards from this deck
y=a+bxy = a + bxy=a+bx
y-intercept (where line crosses y-axis at x=0x = 0x=0)
Slope/gradient (steepness of line)
ext{slope} = rac{ ext{rise}}{ ext{run}}
rac{y_2 - y_1}{x_2 - x_1}
When y-intercept is visible on graph
When y-intercept not visible or in all situations
Only works when x=0x = 0x=0 (y-axis) is visible on graph
Calculate slope bbb using two points
Substitute other point's coordinates and check y-value matches
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