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Chapter 10: Q 299. (page 1238)

In the following exercises, determine if the following parabolas open up or down.

y=−3x2+3x−1

Short Answer

Expert verified

The parabola of given function opens down.

Step by step solution

01

Given information

The given expression is:y=−3x2+3x−1

02

Determine whether the parabola opens up or down.

The standard form is y=ax2+bx+c.

Now compare the given equation with standard form, we get.

a=-3

Since the value of ais negative, so the given parabola opens down.

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