Q. 2x+3y=−83y2−8y=2x+10If (x1,y1) and (x2,y2) are distinct solutions to the system of equation shown, what is the product of the x1 and x2 ?□
Isolate x in first equation: First, let's isolate x in the first equation: 2x+3y=−8.2x=−8−3yx=2−8−3y
Substitute x in second equation: Now, substitute x in the second equation: 3y2−8y=2x+10.3y2−8y=2((−8−3y)/2)+10
Simplify the equation: Simplify the equation: 3y2−8y=−8−3y+10. 3y2−8y=−3y+2
Bring all terms together: Bring all terms to one side: 3y2−8y+3y−2=0.3y2−5y−2=0
Factor the quadratic equation: Factor the quadratic equation: 3y + 1)(y - 2) = 0\. So, \$y = -\frac{1}{3} or y=2.
Substitute y values for x: Substitute y values back into x=2−8−3y to find x1 and x2. For y=−31: x=2−8−3(−31)=2−8+1=−27 For y=2: x=2−8−3(2)=2−8−6=−214=−7
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