Use the quadratic formula to solve the equation r2 - 3x – 7 = 0. Give your answers as radicals, not decimal numbers.

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Chapter4: Complex Numbers
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3. Use the quadratic formula to solve the equation x2 -3x - 7 = 0. Give your answers as radicals, not
decimal numbers.
Transcribed Image Text:3. Use the quadratic formula to solve the equation x2 -3x - 7 = 0. Give your answers as radicals, not decimal numbers.
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x^2-3x-7=0

compare this equation with ax^2+bx+c=0

so here we have 

a=1,\:b=-3,\:c=-7

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