第十章单元测试
- A straight line with a gradient of
passes through the point 
. Find the equation of the line.（ ） - The graph
is a straight line. Find its gradient, and the intercept with the 
-axis.（ ） - Find the equation of the line that passes through the point (1,2) and is perpendicular to
.（ ） - Write an equation for the line passing through each of points
.（ ） Write an equation for the line passing through each of points (0,6),(-4,8).
Write an equation for the line passing through each of points (-1,-7),(5,23).（ ）
Write an equation for the line passing through each of points (3,10),(4,7).（ ）
- Determine the equation of the line that joins the points with coordinates (4, 8) and (10, 11).（ ）
- Determine the coordinates of the point where the lines
and 
cross.（ ） - What is the gradient of the line
?（ ）
A:
B:
C:
D:
答案:
A:
, 2
B:
, 2
C:
, -2
D:
, -2
A:
B:
C:
D:
A:
B:
C:
D:
A:
B:
C:
D:
A:
B:
C:
D:
A:
B:
C:
D:
A:
B:
C:
D:
A:(2,5) B:(-2,5) C:(-2,-5) D:(2,-5)
A:-2 B:-1 C:2 D:1
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