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Kay [80]
3 years ago
5

70. Write the standard form of the equation of the line with

Mathematics
2 answers:
natulia [17]3 years ago
7 0

Answer:

Step-by-step explanation:

y-y1=m(x-x1)

y+4=-2(x+2)

y+4=-2x-4

2x+y+8=0

or 2x+y=-8

nasty-shy [4]3 years ago
6 0

Answer:

y = -2x - 8

Step-by-step explanation:

<u>Use the point slope form:  (y - y1) = m(x - x1)</u>

(y - (-4)) = -2(x - (-2))

y + 4 = -2(x + 2)

y + 4 - 4 = -2x - 4 - 4

y = -2x - 8

Answer:  y = -2x - 8

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Deanna was solving the following equation, 5(x + 2) - 4 = 16.
zaharov [31]

Answer:

Add 4 to each side

Step-by-step explanation:

7 0
3 years ago
What is the image of (0,-8)(0,−8) after a reflection over the line y=-xy=−x?
AnnZ [28]

Answer:

(8, 0 )

Step-by-step explanation:

under a reflection in the line y = - x

a point (x, y ) → (- y, - x ) , then

(0, - 8 ) → (8, 0 )

5 0
1 year ago
Please help me<br> solve (x+3) (x+7)
vodka [1.7K]

Step-by-step explanation:

Here, we'll need to multiply these two values together.  I'll use the expansion formula, which goes as follows:

(a+b)(c+d)

  • Expand

ac + ad + bc + bd

Lets apply this to the following equation:

(x+3) (x+7)

  • Expand.

(x*x) + (x * 7) + (3 * x) + (3 * 7)

  • Simplify.

(x^2) + (7x) + (3x) + (21)

  • Remove parenthesis and add.

x^2+10x+21

Answer:

x^2+10x+21

5 0
2 years ago
The polygons in each pair are similiar. help find the missing side length???
galben [10]

Answer:

x=12

Step-by-step explanation:

Since the polygons are similar, we can use the formula: \frac{x}{15}=\frac{32}{40}. Using cross-multiplication , we obtain: 40x=15*32\\x=\frac{15*32}{40}= 12.

4 0
2 years ago
Complete the sentence the two rectangles are similar and have a scale factor of
MariettaO [177]

Answer: the answer varies since the size are not the same

Step-by-step explanation:

I hope it helps

4 0
3 years ago
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