Write the equation for the line can somebody help me and show me how to do it
Answers
(NOTE: many questions may ask you to put the equation in a certain format. This answer is assuming you can put it in slope-intercept form.)
Answer:
y= -3x-3
Step-by-step explanation:
1) A handy way to write an equation from a graph is to use the slope-intercept form: y = mx + b. In this format, the "m" represents the slope - or the measure of the steepness of the graph (we'll get more into this in the next step). The "b" represent the y-intercept, or where the point in which the graph hits the y-axis. If you know what the slope and y-intercept is, it is very easy to create an equation!
2) So let's find the slope first. The slope of an equation is represented by [tex]\frac{rise}{run}[/tex] , or the change in the y from each point, going up or down, divided by the change of x, going from left to right. So, knowing this, we can take two points we see the line hit and count the change from the x and y values.
Let's take the points (-1,0) and (0,-3). To find the rise, or the change in y, start from (-1,0) and count how many units it would take vertically to get to (0,-3). If you went down, then be sure to add a negative to the number of units you counted. To find the run, or change in x, do the same and count how many steps it would take horizontally to get to (0,-3) too. If you went left, then be sure to add a negative to the number of units you counted. So, if you did it correctly, you would get -3 as your rise and 1 as your run. Using the [tex]\frac{rise}{run}[/tex] equation, divide -3 by 1 and your slope is -3.3) Now, let's find the y-intercept. This part is much easier: just look at the graph and find the point where the line hits the y-axis. In this case, it's (0,-3).
4) All you have to do now is plug the slope and y-intercept we found into y = mx + b. So, put the slope in the "m" place and remember to put the y-value of the y-intercept into the "b" place.
This should get you y= -3x - 3 as your answer!
Related Questions
A 30-foot electric line is suspended between the tops of two 20-foot electric poles on ground level. The lowest point of the line is 5 feet above the ground. What is the distance between the two electric poles?
Answers
Answer:
The appropriate response will be "Zero (0)". A further explanation is given below.
Step-by-step explanation:
This does not make any logical sense, it seems to be 15 feet from either the peak including its poles to something like the edge of that same wire, therefore half including its 30 would be 15 feet. This always implies that perhaps there is no space seen between points, the poles must've been interacting or overlapping.The response is therefore "0".
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Answers
Answer:
you are asking what dont understand
Step-by-step explanation:
From a graph, how do you identify the solution of a system of equations?
Answers
Answer: Wherever the all graphs of the equations intersect, or cross each other, that is a solution to the system of equations.
Step-by-step explanation:
Please help. If this isn't done by today i'm grounded :(
A _____ magnet can be made by rubbing a permanent magnet the same way
along an item. The alignment of atoms does not last long.
permanent
temporary
atomic
polar
Answers
Answer:
B. temporary
Step-by-step explanation:
The last sentence says that the alignment of atoms does not last long.
Answer:
B. temporary
Step-by-step explanation:
forgot to put photo but this is a repost HELP EMEBAHNDJFKG
Answers
Answer:
a
Step-by-step explanation:
Please solve and explain
Answers
Answer:
The value of x = 15
Hence,
AB = x = 15 inBC = 2x+1 = 2(15)+1 = 30+1 = 31 inAC = x-3 = 15 - 3 = 12 inStep-by-step explanation:
We know that the perimeter of a triangle is the sum of all the sides of a triangle.
Given
Perimeter = 58 in
AB = x
BC = 2x+1
AC = x-3
so the equation becomes
Perimeter = AB + BC + AC
58 = x + 2x+1 + x-3
58 = 4x - 2
4x = 58+2
4x = 60
4x/4 = 60/4
x = 15
Thus, the value of x = 15
Hence,
AB = x = 15 inBC = 2x+1 = 2(15)+1 = 30+1 = 31 inAC = x-3 = 15 - 3 = 12 inVERIFICATION
Perimeter = AB + BC + AC
58 = 15+31+12
58 = 58
HELP ASAP!!! Characterize the slope of the line in the graph. A. Zero B. Undefined C. Positive D. Negative
Answers
Answer:
Undefined
Explanation:
When a line is vertical like that, the slope is undefined. If it was horizontal, then it would be zero. Positive slopes go in an upward right direction. Negative slopes go in a downward left direction.
Answer: Undefined
Step-by-step explanation:
A. Zero B. Undefined C. Positive D. Negative
need help with algebra
Answers
HELP ME OUT PLS!!!!!!!!
Answers
Answer:
C is better
Step-by-step explanation:
42mph is greater than 32mph
Answer:
the answer is b
Step-by-step explanation:
how many miles per gallon can the car get.
Jackie weighed an Amazon box that was delivered to her home.The box weighed 192 ounces.How much does the box weight in pounds
Answers
Answer:
12 pounds
Step-by-step explanation:
You have to divide the mass value by 16.
1. Circle the largest number.
|- 45 and 6
Answers
Answer:
6 is larger unless -45 is in brackets then its bigger
Step-by-step explanation:
No negative number is bigger than positive numbers, unless it has brackets
Answer:
-45
Step-by-step explanation:
The negative is in brackets making it positive and 45 is greater than 6
Please help me soon thxs
Answers
Answer: Vertical angles
Step-by-step explanation:
Answer:
Vertical Angles
Step-by-step explanation:
Vertical angles are "any opposite pairs of angles made by intersecting lines."
Also, if 2 angles are vertical, they are also congruent.
I need help Fast!!!!
Answers
Answer:
option 3 i believe
Step-by-step explanation:
can someone please help me!!!!!! and don't steal meh points
Answers
Answer:
-6
Step-by-step explanation:
Original Equation: -5x + 2 = 5
First Step: --5x = 3
distributive property of multiplication over addition
subtraction property of equality associative property of addition
division property of equality
Answers
Answer:
subtraction property of equality.
Step-by-step explanation:
the change made in the equation is that you subtracted 2 on both sides, which cancels out the 2 on the left and equals the 3 on the right. hope this helps :)
You created a Gingerbread house out of the same dough. Each side of the house is a 4 x 6 rectangle. How much Gingerbread dough would you need to create the entire house including the floor? Hint: find the surface area.
Answers
Answer:144
Step-by-step explanation:
4x6x6=144
Mark and Dennis help their grandfather make rootbeer. They need 4 pounds of sassafras to make one barrel of rootbeer, but they only have 1 pound.
How much rootbeer can they make?
Answers
Answer:
the total is your denominator and how much they have is the numerator so the answer is 1/4 or one fourth
Step-by-step explanation:
the area of the retangler piece of foil is 11 1/4 square inches its length is 4 1/2 inches what is the width of the foil?
Answers
Answer:
The width of the foil = w = 2.5 inches
Step-by-step explanation:
We know that the Area of a rectangular piece:
[tex]A=wl[/tex]
Here:
'w' is the width 'l' is the lengthGiven that area of the rectangular piece of foil:
Area = A = 11 1/4 square inches
= 45/4 square inches
= 11.25 square inches
Length = l = 4 1/2 inches
= 9/2 inches
= 4.5 inches
Using the Area formula
[tex]A=wl[/tex]
[tex]w\:=\:\frac{A}{l}[/tex]
[tex]=\frac{11.25}{4.5}[/tex]
[tex]= 2.5[/tex] inches
Thus, the width of the foil = w = 2.5 inches
Answer:
Step-by-step explanation:
I think it would be 5
A map key shows that a map distance of 1/3 inch represents an actual
distance of 4/7 mile. Find the actual distance represented by 1 inch on the
map."
Answers
Answer: 12/7 or 1 5/7 of a mile
Step-by-step explanation: To get to 1 mile, you multiply 1/3 by 3. Then multiply 4/7 by 3. That should give you your answer. Hope this helped!
The side of a cube is increasing at a rate of 2 kilometers per hour. At a certain instant, the side is 1.5. What is the rate of change of the volume of the cube at that instant (in cubic kilometers per hour)?
Answers
Answer:
dV/dt = 13,5 [Km³/h]
Step-by-step explanation:
The volume f the cube is:
V = x³ where x is a side of the cube, then tacking derivatives with respect to time on both sides of the equation
dV/dt = 3*x² dx/dt
dx/dt = 2 km/h
at the time when the side x = 1,5 Km
dV/dt = 3* (1,5)²*2 [km³/h]
dV/dt = 13,5 [Km³/h]
See the attached photo
Answers
Answer: D
Step-by-step explanation:
X is 0 so it would be intercepting the graph at -2
Say something stupis if you want a brainlest answer.
Answers
Answer:
something stupis if you want a brainlest answer.
l o l
s t u p i d enough for ya X D
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Emily's car broke down the weekend before she started a new job. She borrowed $880 from her parents, at an annual interest rate of 3%, to quickly pay for the car repairs. If Emily paid her parents a total of $893.20 in six months, how much simple interest did she pay?
Answers
Answer:
$13.2Step-by-step explanation:
Step one:
given data
principal=$880
rate= 3%
final amount = $893.2
time t= 6 months =0.5 years
Step two:
Required
Simple interest
SI=PRT/100
SI=880*3*0.5/100
SI=1320/100
SI=13.2
She paid Simple interest of $13.2
Please help! NEED FAST Will give brainliest
Answers
Answer:
25+3b/4
Step-by-step explanation:
9+7 because 9 is how many miles the first guy biked in 45 minutes and the 7 is how many miles apart they were in the first place.
9+7+9+3b/4
Step-by-step explanation:
I have another question:
If triangle GFE~ to triangle ABC, Find FG.
Answers
Answer:
45
Step-by-step explanation:
Answer:
45
Step-by-step explanation:
ASAP HELP FOR BRAINLIEST!!!
A basketball player's goal was to score at least 275 points in the season. So
far, he has scored 212. If there is one game left, how many points must he
score to reach his goal? Be sure to include an inequality to represent this
scenario.
Answers
Answer:
63 more points
Step-by-step explanation:
275(goal) - 212(current points) = 63(points needed)
Check your work: 212+63=275
He needs to score 63 points
Determine the measure of the unknown angle in the triangle.
Answers
you add 78 plus 37 then subtract from 180
Answer:
65°
Step-by-step explanation:
Let the unknown angle be ∠ABC
∠ABC + 78° + 37° = 180° (angle sum property of a triangle)
∠ABC + 115° = 180°
∠ABC = 180° - 115°
∠ABC = 65°
∴the unknown angle in the triangle is 65°
If u are at a store and the original price of a product is $28.95 and the sales tax is %6.5 what is the final price
Answers
Answer:
$30.83
Step-by-step explanation:
Before Tax Price: $28.95
Sale Tax: 6.50% or $1.88
After Tax Price: $30.83
Hope this helped :)
Answer:
$30.83
Step-by-step explanation:
Find the square root of the fraction 4/49.
A 2/7
B 7/2
C Cannot be done
Answers
Answer:
A
Step-by-step explanation:
2 times 2 = 4
7 times 7 = 49
2/7 = 4/49
Hope this helps!!!
If a = –2 – 5i and b = –i, then find the value of the ab^3 in fully simplified form.
Answers
Answer:
5 + 2i
We were given the complex numbers;
a = - 2 - 5i
and
b = - i
We want to find the product;
ab^3 ^ = Exponent
We substitute the complex numbers into the expression and simplify
( - 2 - 5i ) (i)^3 ^ = Exponent
This is rewritten as:
( - 2 - 5i) (i)^2 x i ^ = Exponent
Note that
i^2 = - 1 ^ = Exponent
We substitute to obtain:
( - 2 - 5i ) x - i
Let us expand to get:
- 2 x - i + 5i x - i
This simplifies to:
2i - 5i^2 ^ = Exponent
This gives:
2i - 5 ( - 1 ) = 2i + 5
Hope This Helps
DOH! My Brian Hurts
The value of ab³ in simplified form is; -250(i + 1).
What is an equation?Equations are mathematical expressions that have two algebras on either side of an equal (=) sign. The expressions on the left and right are shown to be equal, demonstrating this relationship. L.H.S. = R.H.S. (left-hand side = right side) is a fundamental simple equation.
From the given values in the question we have;
a = -2 + 2i
b = -5i
Thus
ab³ = (-2 + 2i) × (-5 i)³
= (-2 + 2i) (-125 i³)
= (-2 + 2i) (-125 (-i))
= (-2 + 2i) (+125 i)
= 125 i(-2) + 125 i(2i)
= -250 i + 250 i²
= -250 i -250 or,
ab³ = -250 (i+1)
To know more about equation:
brainly.com/question/10413253
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