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3 years ago

Y = 4x + 2 y = x + 5 on a graph

Mathematics

1 answer:

Helen [10]3 years ago

7 0

$\left\{\begin{array}{ccc}y=4x+2\\y=x+5\end{array}\right\\\\y=4x+2\\for\ x=0\to y=4(0)+2=2\to(0;\ 2)\\for\ x=-1\to y=4(-1)+2=-4+2=-2\to(-1;-2)\\\\y=x+5\\for\ x=0\to y=0+5=5\to(0;\ 5)\\for\ x=-5\to y=-5+5=0\to(-5;\ 0)\\\\\text{Look at the picture}\\\\Answer:\ x=1;\ y=6\to(1;\ 6)$

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About the $y$ -axis (shell method):

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About $y=2$ (washer method):

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4 years ago

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3 years ago

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jok3333 [9.3K]

Answer:

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