The graph of $y=(x-4)^2-3$ is drawn on the grid below. On the same axes, draw the line $y=x+4$.

Question

The graph of $y=(x-4)^2-3$ is drawn on the grid below. On the same axes, draw the line $y=x+4$. Use your graph to solve $(x-4)^2-3=x+4$, giving your answers correct to 1 decimal place.

Accepted Answer

(b) $x\approx1.1$ or $x\approx7.9$.

Sec 3/4 E Math T05-Q26 - Solving an equation graphically

Sec 3/4 E Math T05-Q26 - Solving an equation graphically

Solution:

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