Identify the constants in the expression below. 5x - 3y + 2x -15 +2y + 9

2 answers:

8 0

First of all a constant is a non-variable which would obviously be a number so in this equation the constants are: 5,3,2,15,2, and 9

anzhelika [568]2 years ago

5 0

Answer:

The constants are -15 and 9

Step-by-step explanation:

Constants are those numerical values that will never change, despite the value of x. The easiest way to find them are by finding those numbers that are not affecting x in any way.

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The equation below describes a parabola. If a is negative, which way does the parabola open?

const2013 [10]

Given equation : y=ax^2
Taking a to the other side we have, x^2=(1/a)*y
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When a is negative, the focus is on the negative y-axis, therefore, the parabola opens down.
The answer is a. down.

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Answer:

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