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Solve diving linear quadratic system graphically. If necessary round to the nearest integer

Solve diving linear quadratic system graphically. If necessary round to the nearest-example-1

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Answer:

Explanation:

y - 3 = ( x - 1 )² ⇔ y = ( x - 1 )² + 3 ⇔ Shift graph of y = x² one unit to the right and three units up.

2x + y = 5 ⇔ y = - 2x + 5 ; To graph this line mark ( 0 , 5 ) and ( 1 , 3 ) on coordinate plane and draw the line through those dots.

Two graphs intersect at ( - 1 , 7 ) and ( 1 , 3 ) .

Thus, system of equation has two solutions:


x_(1) = - 1 ,
y_(1) = 7

and


x_(2) = 1 ,
y_(2) = 3

Solve diving linear quadratic system graphically. If necessary round to the nearest-example-1
User Czaporka
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