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seraphim [82]
3 years ago
13

Identify the equation that has the same slope as the points (-1, 11) and (2, -10) .

Mathematics
1 answer:
Elina [12.6K]3 years ago
4 0

Answer: for.-7x+4

Step-by-step explanation:

Formula for slope: m=y2-y1/x2-x1

Plug it in: (-10-11)/(2--1) = -21/3 = -7

M= -7

Y=mx+b

Y=-7x+b

11=-7(-1)+b

11=7+b

-7 -7

Y=-7x+4

I hope you can understand the explanation.....

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D.153.86in.............
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Multiply: (4x – 7)(2x – 9)
harina [27]
Hello there!


Let's use foil.

First: 4x * 2x = 8x^2

Outside: 4x * -9 = -36x

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Last: -7 * -9 = 63

Now, let's combine these.

8x^2 - 36x - 14x + 63

Finally, we can simplify this

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I hope I helped!

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Perform the following operations and write the answers in radical form. Part A:√7+√3+√98−√18 Part B:3√5−3√11+2√121−3√90
Sveta_85 [38]

Answer:

  1. \sqrt{7}+\sqrt{3}+4\sqrt{2}
  2. 3\sqrt{5}-3\sqrt{11}+22-9\sqrt{10}

Step-by-step explanation:

Part A ;

\sqrt{7} +\sqrt{3} +\sqrt{98} -\sqrt{18} \\\\\sqrt{98}=7\sqrt{2}\\\sqrt{18}=3\sqrt{2}\\\\=\sqrt{7}+\sqrt{3}+7\sqrt{2}-3\sqrt{2}\\\\\mathrm{Add\:similar\:elements:}\:7\sqrt{2}-3\sqrt{2}=4\sqrt{2}\\\\=\sqrt{7}+\sqrt{3}+4\sqrt{2}

Part B ;

3\sqrt{5}  - 3\sqrt{11} + 2\sqrt{121} -3\sqrt{90} \\\\2\sqrt{121}=22\\3\sqrt{90}=9\sqrt{10}\\\\=3\sqrt{5}-3\sqrt{11}+22-9\sqrt{10}

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4 years ago
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Nostrana [21]

Answer:

3^5

Step-by-step explanation:

there are eight 3's as the numerator and three 3's as the denominator.

You will cancel out three of the 3's in the numerator with the ones on the denominator which gives you 3^5.

5 0
3 years ago
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