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Ivahew [28]
3 years ago
7

What are the coordinates of the vertex of y=x²+4x+3?​

Mathematics
1 answer:
Travka [436]3 years ago
4 0

Answer:

(-2, -1).

Step-by-step explanation:

y = x² + 4x + 3

Completing the square:

y = (x + 4/2)^2 - (4/2)^2 + 3

y = (x + 2)^2 - 4 + 3

y = (x + 2)^2 - 1.

This is vertex form and the coordinates of the vertex are (-2, -1).

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when a is negative, the symbol will be reversed

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What are two step equations
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2 step equations are equations that require 2 steps to solve it.

For example, 2x + 5 = 3x + 6

To solve for x, we must isolate it.

First subtract 2x on both sides, which is ONE step.

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Step-by-step explanation:

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3 years ago
Zora has bag of potting
Xelga [282]

The question is missing the figure which is attached below.

Answer:

The last box that has dimensions 8 in × 8 in × 10 in

Step-by-step explanation:

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The volume of the box must be at least 924 cubic inches to accommodate all of the soil.

Now, volume of the first box is given as:

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Volume of the second box is given as:

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Volume of the fourth box is given as:

V_4=l\times b\times h=8\times 8\times 10=640\ in^3

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3 years ago
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