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4 years ago

Which is the graph of the function y=-4x?

Mathematics

2 answers:

s344n2d4d5 [400]4 years ago

8 0

Answer:

no one

Step-by-step explanation:

x=0; y=0*(-4)=0

x=1; y=1*(-4)=-4

x=-1; y=-1*(-4)=4

Softa [21]4 years ago

5 0

Answer:

<h2>The graph C</h2>

Step-by-step explanation:

$y=-4^x\\\\for\ x=0\to y=-4^0=-1\to(0,\ -1)\\\\for\ x=1\to y=-4^1=-4\to(1,\ -4)$

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Answer:

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Step-by-step explanation:

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bonufazy [111]

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3 years ago

In the adjoining figure, area of trangle ABC is

Zepler [3.9K]

Answer:

$PQ=4\ cm$

Step-by-step explanation:

see the attached figure with the letter D to better understand the problem

we know that

The segment side AD is the height of triangle ABC

Triangles PBQ and ABD are similar by AA Similarity Theorem

The area of triangle ABC is equal to

$A=\frac{1}{2}(BC)(AD)$

we have

$A=48\ cm^2\\BC=12\ cm$

substitute

$48=\frac{1}{2}(12)(AD)$

$AD=8\ cm$

Remember that

If two triangles are similar then the ratio of its corresponding sides is proportional

$\frac{BP}{AB}=\frac{PQ}{AD}$

substitute the given values

$\frac{BP}{2BP}=\frac{PQ}{8}$

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3 years ago