The graph of $y=(x-2)^2-2$ is drawn on the grid below. On the same axes, draw the line $y=x+6$.

Question

The graph of $y=(x-2)^2-2$ is drawn on the grid below. On the same axes, draw the line $y=x+6$. Use your graph to solve $(x-2)^2-2=x+6$, giving your answers correct to 1 decimal place.

Accepted Answer

(b) $x\approx-0.7$ or $x\approx5.7$.

Sec 3/4 E Math T05-Q33 - Solving an equation graphically

Sec 3/4 E Math T05-Q33 - Solving an equation graphically

Solution:

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