将直线y=2x-3向下平移2个单位后的直线解析式______.
∵直线y=2x-3向下平移2个单位,
∴平移后得直线解析式为y=2x-3-2=2x-5.
故答案为y=2x-5.
— was Gina born?
—She was born July 23rd, 2002.
A.When; on
B.What time, at
C.Where; in
D.Where; on
空气泡沫气泡群中的气体是()。
A、CO2
B、空气
C、水蒸汽