Answer: y = -2x -2
Step-by-step explanation:
Making y the subject of the formula
Subtract 4 from both sides
⇒ y = -2 ( x - 1 ) - 4
y = -2x + 2 -4
y = -2x -2
<span><span>1. <span>x =(8-√76)/2=4-√ 19 = -0.359 </span>
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2. x =(8+√76)/2=4+√ 19 = 8.359 </span>
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1.20 could be a possibility...