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A graph shows the equation $y = 2 x + 1$ .
Kabir reads off the value of $x$ where the line meets the $x$ -axis.
What $x$ -coordinate should he get?

Class 9Graph of a Linear EquationLinear Equations

A $- \frac{1}{2}$
B $\frac{1}{2}$
C-1
D0

Step-by-Step Solution

On the

x

-axis

y = 0 : 0 = 2 x + 1

, so

2 x = - 1, x = - \frac{1}{2}

. The line cuts the

x

-axis at

(- \frac{1}{2}, 0)

.

Answer: A)

- \frac{1}{2}

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