If the point (2,0) lies on graph of ax-3y=8 find the value of a
class 9th
chapter4
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Answered by
10
Step-by-step explanation:
Gɪᴠᴇɴ ᴇǫᴜᴀᴛɪᴏɴ ᴏғ ʟɪɴᴇ ɪs 2x - 3ʏ + 8 = 0
ᴀʟsᴏ ɢɪᴠᴇɴ ᴛʜᴀᴛ (a,2) ʟɪᴇs ᴏɴ ᴛʜᴇ ʟɪɴᴇ
= (a, 2) ᴍᴜsᴛ sᴀᴛɪsғʏ ᴛʜᴇ ᴇǫᴜᴛɪᴏɴ (1)
= 2(a) - 3(2) + 8 = 0
= 2a - 6 + 8 = 0
= 2a = -2
= a = -1
ᴛʜᴇ ᴠᴀʟᴜᴇ ᴏғ a ɪs -1 ..
ʜᴏᴘᴇ ɪᴛ ᴡɪʟʟ ʜᴇʟᴘ.
Answered by
1
ᴛʜᴇ ᴠᴀʟᴜᴇ ᴏғ a ɪs -1
Step-by-step explanation:
Gɪᴠᴇɴ ᴇǫᴜᴀᴛɪᴏɴ ᴏғ ʟɪɴᴇ ɪs 2x - 3ʏ + 8 = 0
ᴀʟsᴏ ɢɪᴠᴇɴ ᴛʜᴀᴛ (a,2) ʟɪᴇs ᴏɴ ᴛʜᴇ ʟɪɴᴇ
= (a, 2) ᴍᴜsᴛ sᴀᴛɪsғʏ ᴛʜᴇ ᴇǫᴜᴛɪᴏɴ (1)
= 2(a) - 3(2) + 8 = 0
= 2a - 6 + 8 = 0
= 2a = -2
= a = -1
ᴛʜᴇ ᴠᴀʟᴜᴇ ᴏғ a ɪs -1
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