2 years ago

3) Graph y=-x2+3 State the vertex and axis of symmetry

Mathematics

2 answers:

klasskru [66]2 years ago

8 0

Vertex (0,3)
Axis of symmetry x=0

GaryK [48]2 years ago

5 0

Since the vertex and the axis of symmetry have already been stated by another answer giver, here is the equation graphed :)

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Question 4 options:

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I. The value of x is equal to 8.

II. The dimensions of the rectangle are 13 and 5 inches respectively.

Given the following data:

Area of a rectangle = 65 square inches.

Length of rectangle = x + 5 inches

Width of rectangle = x - 3 inches

To find the value of x, and the dimensions of the rectangle:

Mathematically, the area of a rectangle is given by the formula:

$A = LW$

Substituting the values, we have:

$65 = (x+5)(x-3)\\\\65=x^2-3x+5x-15\\\\65=x^2+2x-15-65\\\\x^2 +2x-80=0\\\\x^2 +10x-8x-80=0\\\\x(x+10)-8(x+10)=0\\\\(x-8)(x+10)=0$

x = 8 or x = -10

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when x = 8

$Length = 8 +5$

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For the width:

when x = 8

$Length = 8 -3$

Length = 5 inches.

Find more information: brainly.com/question/11037225

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Step-by-step explanation:

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