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Allisa [31]
3 years ago
7

What is the slope of the line with the equation of y=-4x that passes through the point (3,1)

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
7 0

The question seems incomplete but that could just be my perception.

The slope of y = -4x is -4 as it's the value just in front of the x value. This equation is in the form y = mx+b where m = -4 and b = 0. The m is the slope.

Anything parallel to y = -4x will also have a slope of -4. Parallel lines have equal slopes (but different y intercepts)

Anything perpendicular to y = -4x will have a slope of 1/4. Notice how multiplying the original slope (-4) and the perpendicular slope (1/4) gets you -1. To go from -4 to 1/4, we flip the fraction and the sign. Think of -4 as -4/1 to flip the fraction to -1/4 and then flip the sign to +1/4 or just 1/4.

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How do you do this simultaneous equation?
tatiyna
The y is the same for both equations. Equate them
-x - 5 = 2x + 4 Add x to both sides
- 5 = 3x + 4 Subtract 4 from both sides.
- 9 = 3x Divide by 3
x = -9 / 3
x = - 3

y = - x - 5
y = -(-3) - 5
y = - 2

So that point is where the two equations meet.

To see the graph of your question on the internet, go to 
Wolframalpha.com 
and put this string in the question space.
y = -x - 5; y  = 2x + 4  Note the semi colon in the middle.

To the moderator: This is my own work. I'm using Wolfram to get the answer.
5 0
3 years ago
Do same-side interior angles have to be on the same (in this case) horizontal line?
Romashka [77]

if the horizontal lines are all parallel, then yes, as long as the angles are on the same side. If the horizontal lines are parallel but the angles are on opposite sides, then no. If the horizontal lines are not parallel, then it would require more work to figure it out


6 0
3 years ago
Read 2 more answers
Emma has 100 to spend at the pet store she needs to buy one bag of dog food and 2 chew toys Will Emma have enough money left ove
Bad White [126]

Answer:

DATA

Barky's Pet Store

Product : Cost

Bag of Dog Food : $35

Bag of Cat Food : $18

Chew Toy : $12

Catnip Toy : $9

Step-by-step explanation:

7 0
2 years ago
Help, please. Formula for this problem?
dexar [7]
If I'm correct, x=16
7 0
3 years ago
Caroline is trying to earn money to pay for her field trip by doing odd jobs around the house. She needs to raise more than $35
Alenkasestr [34]

The inequality that represents how much money Caroline needs to earn will be m>35.

In this case, Caroline needs an amount that's greater than $35, therefore, the amount must be greater than $35

From the options given, the correct inequality will be m>35. This means m is greater than $35.

Read related link on:

brainly.com/question/24751617

8 0
2 years ago
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