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12 questions from this quiz
Point-slope form y−y1=m(x−x1)y - y_1 = m(x - x_1)y−y1=m(x−x1)
The gradient (steepness)
The y-intercept
Knowing gradient and y-intercept
0.50.50.5
y=mxy = mxy=mx
y−y1y2−y1=x−x1x2−x1\frac{y - y_1}{y_2 - y_1} = \frac{x - x_1}{x_2 - x_1}y2−y1y−y1=x2−x1x−x1
ax+by+c=0ax + by + c = 0ax+by+c=0
Sign errors with negative coordinates
Identify what information you have
y=2x+5y = 2x + 5y=2x+5
Ratio of vertical to horizontal change
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