If the point (3, 4) lies on the graph of 3y = ax + 7, then find the value of a. -Maths 9th

If the point (3, 4) lies on the graph of 3y = ax + 7, then find the value of a. -Maths 9th
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1 Answer

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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Related questions

If the point (3, 4) lies on the graph of 3y = ax + 7, then find the value of a. -Maths 9th

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Last 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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Last Answer : Given, point (2,3) lies on the line. So, the point (2, 3) is the solution of 3x - (a -1) y = 2a - 1 On putting x = 2 and y = 3 in given solution. ∴ 3 2 - (a-1) 3 = 2a - 1 ⇒ 6 - 3a + 3 = 2a - 1 ⇒ - 3a ... 2 2) 3 = 3b ⇒ 10 - 9 = 3b ⇒ 1 = 3b ⇒ 1 / 3 = b Hence, the value of b is 1 / 3.

The point (2,3) lies on the graph of the linear equation 3x - (a -1)y =2a -1. If the same point also lies on the graph of the linear equation 5x + (1-2a)y = 3b, then find the value of b. -Maths 9th

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Point (0, – 7) lies -Maths 9th

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If y-coordinate of a point is zero, then this point always lies -Maths 9th

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If y-coordinate of a point is zero, then this point always lies -Maths 9th

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