2 years ago

What coordinate plane shows the graph of 3x+y>9 ?

Mathematics

1 answer:

jolli1 [7]2 years ago

4 0

Answer:

(d) see attached

Step-by-step explanation:

All of the answer choices show shading above a dashed line, so we need to look a little closer at the equation of the boundary line. Written as an equation, it is ...

3x +y = 9

When you set each variable to zero and solve for the other, you find the intercepts to be ...

y = 0, x-intercept: 3x = 9 ⇒ x = 3

x = 0, y-intercept: y = 9

The only graph that has x- and y-intercepts matching these values is the one attached.

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