If the point (2, a ) lies on the line 2x + y = 5, then the value of a is ______

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\frac{1}{2}

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Solution

The correct option is A 1
A point lies on a line if its coordinates satisfies the equation of the line.

Substitute (2, a) in the equation of line 2x + y,
$\to$ 2(2) + a = 5
$\to$ a = 1

Suggest Corrections

Similar questions

(a, 2)

x - y - 1 = 0

2 (x - y) - 5 = 0

a

If the point (2,a) lies on the line 2x-y=3 then 'a' is equal to

State, true or false :

(i) the line $\frac{x}{2} + \frac{y}{3} = 0$ passes through the point (2, 3).

(ii) the line $\frac{x}{2} + \frac{y}{3} = 0$ passes through the point (4, -6).

(iii) the point (8, 7) lies on the line y - 7 = 0

(iv) the point (-3, 0) lies on the line x + 3 = 0

(v) if the point (2, a) lies on the line 2x - y = 3, then a = 5.

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