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Sergeu [11.5K]
4 years ago
14

What is the slope of a line perpendicular to the line of y=-1/4x-1

Mathematics
1 answer:
harina [27]4 years ago
5 0

Answer: 4

The given line has a slope of -1/4 as this is the number in front of the x. The general equation y = mx+b has m as the slope. So m = -1/4 is given

Flip the sign to get -1/4 turn into +1/4 or just 1/4

Then flip the fraction (aka reciprocal) to go from 1/4 to 4/1 and that simplifies to 4.

Multiplying the original slope (-1/4) and the perpendicular slope (4) will result in -1.

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Find the slope \mathrm{m}m of the line in the graph below. ​ ​ \mathrm{m} =m=
yulyashka [42]

Answer:

m=4 or m=\frac{4}{1}

Step-by-step explanation:

To find slope we use the slope formula

m=\frac{y_{2} -y_{1} }{x_{2} -x_{1} }

Two points on the line we can classify are (3,4) and (4,8)

5 0
2 years ago
Rewrite the expression 7x^2 + 7x - 42 as THREE factors where one of the factors is an integer value.
kondaur [170]
<h3>Answer:  7(x+3)(x-2)</h3>

========================================

Explanation:

First factor out the GCF 7

7x^2 + 7x - 42

7*x^2 + 7*x + 7*(-6)

7(x^2 + x - 6)

Now focus on factoring x^2+x-6

We need to find two numbers that multiply to -6 and add to 1. Those values are 3 and -2. That means x^2+x-6 factors to (x+3)(x-2).

The 7(x^2 + x - 6) then turns into 7(x+3)(x-2)

The factor out front, the "7", is the integer factor. The other factors (x+3) and (x-2) are binomial factors.

6 0
3 years ago
F(x)=3x graphed give answer
BaLLatris [955]

Answer:

Step-by-step explanation:

7 0
3 years ago
Help answer question 2
Effectus [21]
All you have to do is add them. So using the number line by looking at the -3 mark and find the -5 mark. Then you just add them together and you have your answer of -8!!
7 0
3 years ago
A man serves 6 customers in 30 minutes. How many customers can be served in 2 hours?
vladimir2022 [97]

Answer:

24

Step-by-step explanation:

in one hour he can serve 12, hence 12x2=24

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3 years ago
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