第十一章单元测试
- Write the equation of a circle whose center is at (3,-2) and has a radius of 11.（ ）
- Determine the vertex of
.（ ） - Complete the square on the
and 
portions of the equation 
and write the equation into the standard form of the equation of the hyperbola.（ ） - Write in standard form
and find the eccentricity.（ ） - Solve the equation
.（ ） Write
-10x+35 in the form 
.（ ）- Find the coordinates of the points of intersection of the given straight lines with the given curves.
, 
.（ ） - Find the point where the line
meets the curve 
.（ ） - Find the x-intercepts and the vertex of
.（ ） - Find the intercepts and vertex of
.（ ）
A:
B:
C:
D:
答案:
A:(-5,-3) B:(5,3) C:(5,-3) D:(-5,3)
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:The x-intercepts are (1, 0) and (3, 0). The vertex is (2, 1) B:The x-intercepts are (1, 0) and (3, 0). The vertex is (2, –1) C:The x-intercepts are (-1, 0) and (3, 0). The vertex is (2, –1) D:The x-intercepts are (1, 0) and (-3, 0). The vertex is (2, –1)
A:The y-intercept is (0, 3) and the x-intercepts are (-1, 0) and (3, 0). The vertex is (2, –1) B:The y-intercept is (0, 3) and the x-intercepts are (1, 0) and (3, 0). The vertex is (2, –1) C:The y-intercept is (0, -3) and the x-intercepts are (1, 0) and (3, 0). The vertex is (2, –1) D:The y-intercept is (0, 3) and the x-intercepts are (1, 0) and (3, 0). The vertex is (-2, –1)
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