About Lesson
2.4 Graph and Nature of Quadratic Equation 一元二次函数的图像及性质
Sketch the following functions, state also their symmetric axis, extreme point, domain and range.
画出下列函数的图像,并写出它们的对称轴,顶点,定义域和值域。
[1]
Answer :
x = 1, (1, 1), D = R, R = [1, )
[2]
Answer :
x = , (, 10), D = R, R = (, 10]
[3]
Answer :
x = , ( , ), D = R, R = [, )
[4]
Answer :
x = , (, ), D = R, R = [, )
[5]
Answer :
x = , ( , ), D = R, R = (, ]