一次函数 - 八下 - 19 Flashcards

1
Q

举例说明两个变量x与y满足什么条件时, y是x的函数.

A
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2
Q

函数有哪些表示法? 它们各自有什么优点? 请举例说明

A
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3
Q

一次函数y=kx+b的图像是什么图形? 当b=0时, 函数y=kx+b的图像经过哪个定点? 常数k对函数y=kx+b的图像有什么影响?由此能说明y与x之间的什么变化规律?

A
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4
Q

由一条不平行于坐标轴的已知直线, 能求出它对应的一次函数的解析式吗?如果能, 应怎样求?

A
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5
Q

举例说明如何利用函数解决实际问题.

A
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