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2 years ago

If the equation y = 3x + 2 is changed to y = -3x + 2, how will the graph of the line change?

Mathematics

2 answers:

Orlov [11]2 years ago

8 0

The 3 changes to -3 so the slope will change to the opposite direction

Ierofanga [76]2 years ago

3 0

A) it will shift down 3 unit s

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I need help!! What is he answer??

IgorC [24]

2 is the answer i think

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2 years ago

Dilate a triangle with vertices (0,0), (0,2) and (2,0) using the scale factor k=3. What is the value of the ratio (new to origin

seropon [69]

Answer:

Part a) The ratio of the perimeters is $3$

Part b) The ratio of the areas is $9$

Step-by-step explanation:

Part A) What is the value of the ratio (new to original) of the perimeters?

we know that

If two figures are similar, then the ratio of its perimeters is equal to the scale factor

Let

z-----> the scale factor

x-----> the perimeter of the new triangle

y-----> the perimeter of the original triangle

$z=\frac{x}{y}$

we have

$z=3$

substitute

$\frac{x}{y}=3$

Part B) What is the value of the ratio (new to original) of the areas?

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z-----> the scale factor

x-----> the area of the new triangle

y-----> the area of the original triangle

$z^{2}=\frac{x}{y}$

we have

$z=3$

substitute

$\frac{x}{y}=3^{2}$

$\frac{x}{y}=9}$

3 0

2 years ago

Can someone help me with this. Will make brainliest. Need answer and explanation/work. Thank you.

Harlamova29_29 [7]

Answer:

A quadrilateral has a parallelogram if one pair of opposite sides is congruent and parallel. Parallelograms are designed to have diagonals that bisect one another. When ABCD is bisected by — BD and —AC, then ABCD is a parallelogram.

Step-by-step explanation:

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2 years ago

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F(x)= -7x-1<br> f(_)=-8<br><br> Please help.. ASAP!

navik [9.2K]

-8=-7x -1

Add 1 to both sides

-7=-7x

Divide both sides by -7

X=1

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3 years ago

Can someone please help Simple the square root 24+ square root 25

earnstyle [38]

Answer:

5+(2)*(sq root 6)

Step-by-step explanation:

This is pretty simple, a given is that the square root of 25 is 5, so you already have one of your numbers. Since the square root of 24 is not a perfect square, it must be reduced and then added separately to 5. The sq root of 24 is reduced to 2 multiplied by the square root of 6.

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2 years ago

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