Question

1 Graph the equation y = 21 +1 CLICK TO SELECT 6. LINE AA 5 N 1 -5 -5 4 -3 -2 -1 1 2 3 4 5 7 8 9 10 11 -2 -3

Answer 1

The given equation is

$y=2x+1$

To graph a line, we just need two points.

When x = 0.

$y=2\cdot0+1=1$

The first point is (0,1).

When y = 0.

$\begin{gathered} 0=2x+1 \\ -1=2x \\ x=-\frac{1}{2} \end{gathered}$

The second point is (-1/2, 0).

Now, we graph the equation.