The graph of $y=(x-3)^2-4$ is drawn on the grid below. On the same axes, draw the line $y=x+7$.

Question

The graph of $y=(x-3)^2-4$ is drawn on the grid below. On the same axes, draw the line $y=x+7$. Use your graph to solve $(x-3)^2-4=x+7$, giving your answers correct to 1 decimal place.

Accepted Answer

(b) $x\approx-0.3$ or $x\approx7.3$.

Sec 3/4 E Math T05-Q19 - Solving an equation graphically

Sec 3/4 E Math T05-Q19 - Solving an equation graphically

Solution:

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