Question

draw the graph of 3=2x+5
answer with full explanation

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Answer 1

Step-by-step explanation:

Given : Equations

(i) y = 2x + 5, (ii) y = 2x – 5, (iii) y = 2x

To find : The point of intersection on x-axis. Is the x-coordinates of these points also the zero of the polynomial?

Solution :

We plot the equations with the help of graphing tool.

Equation (i) y=2x+5y=2x+5 plotted with red line passing through point (-2.5,0).

Equation (ii) y=2x-5y=2x−5 plotted with blue line passing through point (2.5,0).

Equation (iii) y=2xy=2x plotted with green line passing though point (0,0).

Yes, The x-coordinates of these points also the zero of the polynomial.

Refer the attached figure below.