If the point (3, 4) lies on the graph of 3y = ax + 7 then the value of a is a) 2/5 b) 5/3 c) 3/5

Question

If the point (3, 4) lies on the graph of 3y = ax + 7 then the value of a is

a) 2/5

b) 5/3

c) 3/5

d) 2/7

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Faith 4 days 2021-10-10T21:55:05+00:00 2 Answers 0 views 0

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    0
    2021-10-10T21:56:05+00:00

    \Large\underline\mathbb\blue{ANSWER}

     \tt{x = 3}   \\\tt{ y = 4}

      \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \tt{3y = ax + 7} \\  \\  \implies  \tt{3(4) =a(3) + 7 } \\  \\  \implies \tt{12 = 3a + 7} \\  \\   \implies \tt{3a = 12 - 7}  \\  \\  \implies\tt{ \boxed{ \tt{ \pink{a =  \frac{5}{3} }}}}

    B) ⁵/3

    hope it’s helpful

    0
    2021-10-10T21:56:15+00:00

    hello Mr. moderator (●’◡’●)

    here is ur answer☟︎︎︎☟︎︎︎

    Since, the point (x = 3, y = 4) lies on the equation 3y = ax + 7, then the equation will be , satisfied by the point.

    Now, put x = 3 and y = 4 in given equation, we get

    3(4) = a (3)+7

    ⇒ 12 = 3a+7

    ⇒ 3a = 12 – 7

    ⇒ 3a = 5

    Hence, the value of a is 5/3.

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